KR20000053696A - Display apparatus and method for quantity of ordering in cyber stock trading system - Google Patents

Abstract

PURPOSE: An orderable amount display in cyber-stock dealing system and a method thereof are provided so that the maximum orderable amounts and uncollected orderable amounts of the stocks are calculated and displayed on a user's personal computer after a dealing commission and tax are reflected in accordance with the balance of the user's account when a user inputs stock and prices thereof to buy. CONSTITUTION: An orderable amount display in cyber-stock dealing system, communication network(20), a plurality of client PC(10(1),..,10(N)) by which a cyber-stock dealing is performed, and on which client's stock account data, the maximum orderable amounts and uncollected orderable amounts are displayed, and a main server outputting the client's stock account data according to the user's input and the maximum orderable amounts and the uncollected orderable amounts in accordance with the client's balance. The plurality of client PC(10(1),..,10(N)) outputs order data by users to a main server (30). The main server (30) connects to a computer system of the stock exchange market for a contract of purchase of the stocks and stores the data relating to the stocks on each user.

Description

Display apparatus and method for displaying quantity in cyber stock trading system {display apparatus and method for quantity of ordering in cyber stock trading system}

The present invention relates to an orderable quantity display apparatus and a display method of a cyber stock trading system.

More specifically, when using cyber securities trading, each user enters the corresponding stock item and the bid price in the order window, and the main server automatically calculates the maximum available quantity and the minimum available quantity based on the user's stock account balance. The present invention relates to a display apparatus and a display method for orderable quantity of a cyber securities trading system for displaying a result in an order window of a client PC.

Recently, cyber securities trading, which enables users to buy and buy stocks online through a network communication network such as the Internet, has been gradually expanding with the explosive interest of various computer users.

As the interest of cyber securities transactions by computer users increases, each securities company is making great efforts to attract computer users who want to use cyber securities transactions.

As described above, in order for computer users to conduct securities transactions on the network, an emulator for cyber securities transactions produced and distributed by each securities company must be installed on the user's computer.

At this time, the user computer must have a communication environment that can perform network communication such as the Internet.

After the installation of the dedicated emulator for the cyber securities transaction is completed, when the users execute the dedicated emulator to perform the cyber securities transaction, the user's computer is connected to the securities company's main server through the network, and then the user's key operation is performed. As a result, the desired stock can be bought or bought.

At this time, since the main server of each securities company is connected to the stock exchange, it is possible to perform stock trading according to the user's key operation in real time.

In addition, the dedicated emulator for cyber securities trading allows users to check the stocks of their interests (portfolio, portfolio), as well as the stock price search function, such as the current price and volume of stocks, as well as stock purchase and purchase. It also provides functions such as schematic information on stock price fluctuations and stock market information.

In addition, the above-described dedicated emulator provides a function of trading bonds such as corporate bonds in addition to general stock trading.

Meanwhile, as described above, in addition to the method of performing cyber securities transactions using a dedicated emulator, a method of making a securities transaction after accessing a web page of a specific securities company established on the Internet according to a user's communication environment and a web browser It is also possible to use a method of trading securities using the built-in mobile terminal.

However, in the conventional cyber securities trading system as described above, in order to calculate the number of stock items desired by each user, a separate calculator is used to purchase the amount of the own account balance displayed on the order window screen. In addition to calculating the number of purchases, the inconvenience of having to calculate the various fees and taxes incurred when buying.

In addition, due to a mistake in calculation, there is a fear that a user's uncollected receivables are generated and a financial loss occurs.

The purpose of the present invention is to solve the above-mentioned problems, when each user using the cyber securities trading inputs the corresponding stock item and the bid price to buy in the order window, the stock server according to the user's securities account balance in the main server of each securities company Orderable quantity display device of the cyber securities trading system which automatically calculates the maximum orderable quantity and the non-orderable quantity after reflecting various fees and taxes incurred in trading and displays the result in the order window of the client PC; To provide a display method.

1 is a block diagram schematically showing the configuration of the orderable quantity display apparatus of the cyber securities trading system according to the present invention;

2 is a block diagram showing in detail the configuration of the main server of FIG.

3 is a flowchart illustrating an operation process of a method for displaying orderable quantity of a cyber stock trading system according to the present invention;

4 to 7 are flowcharts showing in detail the operation of each subroutine of FIG.

8 is a view showing an example of an order window displaying the orderable quantity according to the present invention.

Explanation of symbols on the main parts of the drawings

10: Client PC 11: Order Windows

12: Securities account data input window 13: Inquiry button

14: Securities account data display window 15: Order data input window

16: Available Quantity Check Button 17: Available Quantity Result Display Window

18, 18A: Order reflect button 19: OK button

20: network communication network 30: main server

31: data input unit 32: main control unit

33: database unit 34: communication control unit

In order to achieve the above object, the apparatus for displaying the orderable quantity of the cyber stock trading system according to the present invention comprises: a network communication network which connects an unspecified number of communication lines to perform data communication with each other; Dedicated emulator or web browser is installed to perform cyber securities trading through network communication network, and dedicated user emulator or web browser is executed to connect with securities company. In addition to displaying on the securities account and password entered by each user, and displays the securities account data input from the outside, each user enters the relevant stock item and the bid price in the order window to check the available quantity If selected, the number of the stock number of the corresponding stock item is outputted to the outside, and the plurality of clients receiving the calculation result of the maximum orderable quantity and the minimum orderable quantity according to the user's stock account balance from the outside and displaying them on the order window screen With a PC; The stock account data of the user according to the security account and password entered by the user in the order window of the plurality of client PCs, and the stock items entered by the user with a key signal according to the selection of the available quantity check function of each user If the number of purchases of the data is inputted from a plurality of client PCs, the maximum available quantity and unordered quantity are calculated by reflecting various fees and taxes incurred when trading stocks according to the user's securities account balance through a predetermined calculation program. It includes a main server for outputting the calculation result of the maximum orderable quantity and the number of non-orderable quantity to the client PC.

In this case, the above-mentioned main server may include a data input unit for inputting an operation program related to cyber securities transactions and a calculation program for calculating a maximum orderable quantity and a non-orderable quantity by the server administrator; Control the cyber securities trading of each user according to the operating program input through the data input unit, control the output of the securities account data of the corresponding user according to the securities account and password input by the plurality of client PC users, orders of each user When the key signal according to the selection of the available quantity checking function and the purchase number of the corresponding stock item are inputted, the maximum possible quantity and the non-order can be reflected by reflecting the various fees and taxes incurred when trading stocks through the calculation program input through the data input unit. A main controller which controls the output of the calculation result data after calculating the quantity; A database unit for storing personal information and securities account data of each user performing cyber securities transactions using a plurality of client PCs under the control of the main controller; It receives the cyber securities transaction data, key signals according to the selection of available quantity confirmation from the plurality of client PCs, the stock account request data of the corresponding user, and the available quantity confirmation data, and outputs them to the main control section. It is preferably configured to include a communication control unit for outputting the user-specific stock account data and the calculated orderable quantity data to the corresponding client PC through the network communication network.

In addition, the method for displaying the orderable quantity of the cyber securities trading system according to the present invention comprises the steps of: accessing the main server through execution of a dedicated emulator or access to a web page; According to the stock account inquiry by the client PC user, the stock account data provided from the main server is displayed in the order window, and the purchase price of the corresponding stock item entered by each user to check the available quantity of the corresponding stock item in the order window Outputting to the main server; Receiving a calculation result from a main server that calculates a maximum available quantity and an unordered quantity based on the balance of the user's securities account through the purchase price of the corresponding stock item input by each user, and displays the result in the order window; When the order reflection is selected by the corresponding user according to the calculation result of the orderable quantity displayed in the order window, a process of outputting the purchase quantity of the corresponding stock item to the main server is performed to make the stock trading.

Hereinafter, with reference to the accompanying drawings will be described in detail the orderable quantity display apparatus and display method of the cyber securities trading system of the present invention.

1 is a block diagram schematically showing the configuration of the orderable quantity display apparatus of the cyber stock trading system according to the present invention.

As shown, the plurality of client PCs 10 (1), 10, N are provided with a dedicated emulator or a web browser so as to conduct cyber securities transactions through the network communication network 20, When an emulator or a web browser is executed and connected to the main server 30 to be described later, each user selects a stock sale from various menus, displays an order window on the screen, and at the same time, according to the security account and password entered by each user. When the stock account data input from the server 30 is displayed on the order window, each user inputs the corresponding stock item and the bid price, and selects the order quantity confirmation function, the bid price data of the corresponding stock item is displayed. Output to the main server 30 through the network communication network 20, the maximum order possible according to the user's account balance Amount and the attempted ordering receives the operation result of the available quantity from the main server 30 and the display window in order to help the user to determine.

In addition, the above-mentioned plurality of client PCs 10 (1), ..., 10 (N) are used when each user who checks the calculation result reflects the order on the order window according to the calculation result and finally confirms the order. The order data is output to the main server 30 to be described later, so that the stock trading is performed.

The network communication network 20 can connect the communication lines between the plurality of client PCs 10 (1), ..., 10 (N) described above and the main server 30 of each securities company described later, so that a maximum order can be obtained from each other. Data communication related to quantity and non-order quantity calculation is made.

In addition, the network communication network 20 interconnects the main server 30 and the stock exchange computer system (not shown) to enable real-time stock trading.

The main server 30 displays the securities account data of the corresponding user according to the securities account and password input by the user on the order window of the plurality of client PCs 10 (1), 10, N. (1), ..., 10 (N)), and if the number of the stock item entered by the user is input together with the key signal according to the selection of the available quantity checking function of each user, the preset calculation program is executed. Based on the balance of the user's securities account, it calculates the maximum orderable quantity and the non-orderable quantity after reflecting various fees and taxes incurred when trading stocks. Output as (10 (1), ..., 10 (N)).

The main server 30 described above is connected to the stock exchange computer system according to the stock trading data of a specific company, which is input through a plurality of client PCs 10 (1),. After the conclusion of the agreement, the stock-related data will be updated and stored for each user.

2 is a block diagram showing in detail the configuration of the main server 30 of FIG.

As shown, the data input unit 31 is input by the operating program associated with the cyber securities trading used in the main control unit 32 to be described later by the server administrator, and the calculation program for calculating the maximum orderable quantity and the non-orderable quantity do.

The main controller 32 controls cyber securities transactions of a plurality of client PCs 10 (1), 10 (N) users according to an operating program input through the data input unit 31, and controls the plurality of client PCs. (10 (1), ·, 10 (N)) Securities accounts including the user's deposit, orderable cash, repurchased amount, and cash receivable, depending on the user's securities account and password data requested by the user. Controls the output of the data, when the key signal according to the user's selection of the available quantity confirmation function and the purchase number of the corresponding stock item are inputted, various types of stocks generated through the arithmetic program input through the data input unit 31 are inputted. After calculating the maximum quantity available and the quantity not available after reflecting fees and taxes, the output of the calculation result data is controlled.

Under the control of the main control unit 32, the database unit 33 uses the plurality of client PCs 10 (1) and 10 (N) to perform personal information and securities accounts of each user performing cyber securities transactions. Save the data.

The communication control unit 34 receives the cyber securities transaction data from the plurality of client PCs 10 (1), 10 (N), key signals according to the selection of the available quantity order, the securities account request data of the corresponding user, and the order. Receives the available quantity confirmation data and outputs it to the main control unit 32, and under the control of the main control unit 32, the securities account data for each user and the calculated orderable quantity data through the network communication network 20, corresponding client PC ( 10 (1), ..., 10 (N)).

In addition, the communication control unit 34 and the stock exchange computer system under the control of the main control unit 32 that receives the cyber stock trading data from a plurality of client PC (10 (1), ..., 10 (N)) users; To enable stock trading.

At this time, the calculation program set in the main server 30 to calculate the orderable quantity is the maximum order reflecting the tax and fee generated when trading the stock according to the purchase bid price of the stock item that the user enters the user's securities account balance It is a program to automatically calculate the quantity available and the quantity not available.

In addition, when the stock item input by the user is a listed company, the above-described calculation program cuts the quantity less than one unit according to the current stock trading unit (for example, 10 shares), and the KOSDAQ stock or unlisted company. In the case, it is programmed to cut the quantity below the decimal point to calculate the maximum orderable quantity and the non-orderable quantity. In addition, it can be programmed differently as the unit of stock trading changes.

In addition, the order window 11 displayed on the screens of the client PCs 10 (1) and 10 (N) described above has a security account data input window (in which an account number and a password are input by each user). 12) and securities including the deposit amount, orderable cash, repurchaseable amount and cash receivable of the corresponding user inputted from the main server 30 according to the selection of the inquiry button 13 of each user for querying the securities account data. Stock account data display window 14 for displaying the account data, order data input window 15 for inputting the stock item and the bid price for each user to purchase, and each user after the input of the order data is completed. The maximum order value calculated by the main server 30 according to the selection of the orderable quantity confirmation button 16 and the user selectable quantity confirmation button 16 for selecting the orderable quantity of the stock item. According to the available quantity result display window 17 which receives and displays the result of quantity and quantity of unavailable quantity, each user can determine the quantity of the stock item. Order confirmation button (18) (18A) and the order confirmation button (18) (18A) that allows you to order the order quantity is determined according to the operation of the order reflection button (18) (18A) after the user finally confirms the order confirmation button (19) ) (See attached drawing 8).

Next, the operation of the orderable quantity display apparatus and the display method of the cyber securities trading system configured as described above will be described in detail with reference to FIGS. 3 to 9.

3 to 7 are flowcharts illustrating an operation process of a method for displaying orderable quantity of a cyber stock trading system according to the present invention, and FIG. 8 is a diagram illustrating an example of an order window according to the present invention.

First, when a user who uses the client PC 10 wants to automatically know the maximum available quantity and the unacceptable quantity according to the bid price of the stock item to be purchased at the same time as performing the cyber securities transaction online. A special emulator developed and provided by a securities company should be installed. In addition, a web browser for accessing the web pages of each securities company established on the Internet should be installed.

As such, when each user runs a dedicated emulator or a web browser installed on the client PC 10 to perform cyber securities trading, the client PC 10 is connected to the main server 30 of each securities company through the network communication network 20. The connection proceeds (S10).

That is, when a dedicated emulator or a web browser provided in the client PC 10 is executed by each user for using the cyber securities transaction, each user's communication connection is made to the main server 30 according to the set communication environment (S11). When the communication connection with the main server 30 is made, the client PC 10 receives the user login screen data output from the main server 30 and displays the user login screen data on the main screen so that the user can check it (S12).

The client PC 10 outputs the login data of the ID and password input by each user to the main server 30 through the login screen displayed on the main screen, and logs in the ID and password input by each user. The connection to the main server 30 is performed according to the determination result of whether the main server 30 is a regular user according to the data (S13).

In this way, after each user using the client PC 10 is connected to the main server 30, each user selects a stock sale to buy or sell the desired stock according to the current stock price information. Window 11 is displayed.

In addition, the client PC 10 receives the securities account data provided from the main server 30 according to the inquiry of the securities account by the user and displays the securities account data in the order window 11, and orders the corresponding stock item on the order window 11. In order to check the possible quantity, the purchase price of the corresponding stock item input by each user is output to the main server 30 (S20).

In other words, the client PC 10, each user enters the account number and password through the security account data input window 12 provided in the order window 11, the inquiry button 13 for inquiring its own security account It is determined whether to select (S21), and if the user selects the inquiry button 13, and outputs the user's securities account request data to the main server 30 (S22).

And the client PC 10 receives the user's securities account data including the Jesus amount, orderable cash, repurchaseable amount, cash receivables output from the main server 30 according to the user's securities account inquiry (S23) In operation S24, the received stock account data is displayed on the stock account data display window 14 of the order window 11.

In addition, the client PC 10 is a separate calculator after a user who checks his or her account balance displayed on the stock account data display window 14 to input through the order data input window 15 to buy stock price and bid price It is determined whether the orderable quantity confirmation button 16 is selected in order to confirm the maximum orderable quantity and the quantity not available for purchase without using (S25).

As a result of the determination, when the quantity available for order confirmation is selected by the user, the client PC 10 outputs the purchase quotation price data of the corresponding stock item input by the user to the order data input window 15 to the main server 30 (S26).

Now, in the main server 30, the maximum available quantity and non-order is possible after various fees and taxes according to the balance of the user's securities account are reflected through the purchase bid price of the corresponding stock item input from the client PC 10. The quantity is calculated, and the client PC 10 receives the calculation result from the main server 30 and displays the orderable quantity result display window 17 of the order window 11 (S30).

That is, the main server 30 determines whether the key signal according to the user's selection of the available quantity confirmation button 16 and the purchase number of the corresponding stock item input in the order data input window 15 are inputted from the client PC 10. (S31), when the available quantity confirmation key signal and the purchase bid price data of the corresponding stock item are input, the maximum available quantity and unordered order after reflecting the tax and fee incurred when trading the stock according to the user's stock account balance Automatically calculate the possible quantity (S32).

At this time, the maximum orderable quantity and the unorderable quantity calculated in the above-mentioned step (S32) are calculated by cutting off the number of units or less according to the current stock trading unit in the case of a listed company, and in the case of a KOSDAQ stock or an unlisted company. The following quantities can be cut off and calculated, and the program can be changed according to the direction in which future units of stock trading change.

In addition, the main server 30 outputs the maximum orderable quantity and non-orderable quantity result data calculated as in the above-described step S32 to the client PC 10 of the user (S33), and the client PC 10. ) Displays the calculation result input from the main server 30 on the orderable quantity result display window 17 of the order window 11 so that the corresponding user can check (S34).

Finally, if the order reflection is selected by the corresponding user confirming the calculation result of the orderable quantity displayed on the orderable quantity result display window 17 of the order window 11, the calculated maximum orderable quantity or quantity not available In order to determine the number of purchases of the corresponding stock item to output to the main server 30 to make a stock trading (S40).

That is, the client PC 10 checks the calculation result displayed on the orderable quantity result display window 17 so that the user does not need to directly input the purchase quantity for the stock purchase to the order window input window 15. It is determined whether the order reflecting buttons 18 and 18A are selected to determine the quantity and the bid price according to the result (S41). When the order reflecting buttons 18 and 18A are selected by the user, the maximum available quantity and the quantity are not available. It is determined which order reflecting key signal among the available quantities (S42).

If the order reflection button 18 for reflecting the maximum orderable quantity is selected by the user as a result of the determination of the above-described step (S42), the calculated maximum orderable quantity is automatically input into the purchase quantity input window (S43). When the order reflecting button 18A is selected to reflect the quantity of the unacceptable order by the user, the calculated quantity of the unacceptable order is automatically input into the quantity purchase input window (S44).

However, if the order reflection key signal is not input by the corresponding user as a result of the above-described determination of step S41 of determining whether the order reflection button 18 (18A) is selected, the client PC 10 indicates that the user has the stock item. It is determined whether to directly enter the purchase amount to purchase (S45).

As described above, after the purchase quantity of stock items for purchase is determined through the above-described steps S43, S44 and S45, the client PC 10 inputs a key signal according to the selection of the order confirmation button 19 by the corresponding user. In operation S46, when an order confirmation key signal is input by the corresponding user, the corresponding order data is output to the main server 30 to perform stock trading (S47).

As described above, according to the apparatus for displaying the orderable quantity and the display method of the cyber securities trading system of the present invention, the calculation of the maximum orderable quantity and the non-orderable quantity according to the purchase bid price of the stock item that each user intends to purchase on the order window By automatically checking the results, it is possible to perform convenient cyber securities trading because there is no need to calculate and decide the purchase quantity including various fees and taxes generated when buying and selling stocks using a separate calculator.

Herein, while the present invention has been described with reference to the preferred embodiments, those skilled in the art will variously modify the present invention without departing from the spirit and scope of the invention as set forth in the claims below. And can be changed.

Claims (9)

In the cyber securities trading system that allows a plurality of users to conduct securities transactions online through a plurality of client PCs connected to the main server of each securities company, A network communication network which connects unspecified communication lines to perform data communication with each other; A dedicated emulator or web browser is installed to perform cyber securities transactions through the network communication network. When the dedicated emulator or web browser is executed to connect with a securities company, each user selects stock trading from various menus, and then orders window. On the screen and at the same time displays the securities account data input from the outside according to the securities account and password entered by each user, each user enters the corresponding stock item and the bid price in the order window to check the available quantity If the function is selected, the number of the stock number of the corresponding stock item is output to the outside, and the result of calculation of the maximum orderable quantity and the quantity that cannot be ordered according to the user's stock account balance is received from the outside and displayed on the order window screen. Client PC; And The stock account data of the user according to the security account and password input by the user on the order window of the plurality of client PCs, and the stock entered by the user with a key signal according to the selection of the available quantity confirmation function of each user When the number of the item's bid number is inputted from the plurality of client PCs, the maximum ordered quantity and the unavailable quantity can be calculated by using various calculation fees and taxes incurred when trading stocks according to the user's stock account balance through a predetermined calculation program. And a main server configured to calculate and output a calculation result of the maximum available quantity and the non-orderable quantity to the corresponding client PC. The method of claim 1, wherein the main server, A data input unit for inputting, by a server administrator, an operation program related to cyber securities transactions and an operation program for calculating a maximum orderable quantity and an unordered orderable quantity; Control the cyber securities transactions of each user according to the operating program input through the data input unit, and controls the output of the securities account data of the corresponding user according to the securities account and password input by the plurality of client PC users, each user When the key signal according to the selection of the available order quantity check function and the purchase number of the corresponding stock item are inputted, the maximum available quantity and tax is reflected by the various fees and taxes incurred when trading stocks through the calculation program inputted through the data input unit. A main controller which controls the output of the calculation result data after calculating the quantity of unordered order; A database unit for storing personal information and stock account data of each user performing cyber securities transactions using the plurality of client PCs under the control of the main controller; And The cyber securities transaction data, the key signal according to the selection of orderable quantity confirmation, the user's stock account request data, and the orderable quantity identification data are received from the plurality of client PCs, and are output to the main controller, and the control of the main controller is performed. And a communication control unit for outputting the securities account data and the calculated orderable quantity data for each user to the corresponding client PC through a network communication network. According to claim 1 or 2, wherein the operation program preset in the main server, Cyber securities trading, which is a program that automatically calculates the user's securities account balance based on the purchase price of the stock item entered by the user to the maximum orderable quantity and the quantity not available Display of available quantity of system. The method of claim 1, wherein the order window, Stock account data input window for entering the account number and password by each user; A stock account data display window for displaying the stock account data of the corresponding user input from the main server according to the selection of the inquiry button of each user for inquiring the stock account data; An order data input window for inputting a stock item and a bid price for each user to buy; An orderable quantity confirmation button selected by each user to confirm the orderable quantity of the corresponding stock item after the input of the order data is finished; An orderable quantity result display window for receiving and displaying the results of the maximum orderable quantity and the unorderable quantity calculated by the main server according to the selection of the orderable quantity confirmation button of each user; An order reflecting button for allowing each user to order the quantity of the corresponding stock item according to the orderable quantity result displayed on the orderable quantity result display window; And Ordered quantity display apparatus of the cyber securities trading system, characterized in that the confirmation button for determining the order finally determined by the user after the order quantity is determined according to the operation of the order reflection button. In the cyber securities trading system that allows a plurality of users to conduct securities transactions online through a plurality of client PCs connected to the main server of each securities company, (1) proceeding with access to the main server through execution of a dedicated emulator or access to a web page; (2) In accordance with the inquiry of the securities account by the client PC user, the securities account data provided from the main server is displayed in the order window, and the corresponding stock item input by each user to check the available quantity of the corresponding stock item on the order window. Outputting the number of purchases to the main server; (3) The process of receiving the calculation result from the main server that calculates the maximum available quantity and the unacceptable quantity based on the balance of the user's securities account through the purchase price of the corresponding stock item input by each user, and displays the result in the order window. ; And (4) if the order reflection is selected by the corresponding user according to the calculation result of the orderable quantity displayed in the order window, outputting the purchase quantity of the corresponding stock item to the main server so that the stock trading can be performed. How to display the orderable quantity of the cyber securities trading system. The method of claim 5, wherein the process (1), (1-1) performing a communication connection to the main server by executing a dedicated emulator or a web browser installed on the client PC by each user; (1-2) after the communication connection is established, displaying a user login screen output from the main server on the screen; And (1-3) characterized in that it comprises the step of outputting the login data of the ID and password input by each user through the login screen to the main server, and proceeding to the main server according to the official user judgment of the main server How to display the available quantity of the cyber securities trading system. The method of claim 5, wherein the process (2), (2-1) determining whether the inquiry of the securities account by the user who inputs the account number and the password is selected; (2-2) outputting the user's security account request data to the main server when the user's security account inquiry is selected; (2-3) receiving the securities account data of the corresponding user, including the deposit amount, orderable cash, repurchase amount, and cash receivable, which are output from the main server according to the securities account request data of each user; (2-4) displaying the user's security account data received from the main server in the order window; (2-5) determining whether the quantity available for ordering by each user is selected after the corresponding stock item and the bid price are input for the stock purchase; And (2-6) If the available order quantity check is selected, the order number of key confirmation and the bid number of the corresponding stock item input by the user are output to the main server. How to order available quantities. The method of claim 5, wherein the process (3), (3-1) determining whether the purchase number of the corresponding stock item is inputted to the main server together with the quantity confirmation key signal that can be ordered by each user; (3-2) When the order quantity confirmation key signal and the purchase quotation of the corresponding stock item are input, the maximum orderable quantity and the unordered order are reflected by reflecting various fees and taxes incurred when trading stocks according to the user's stock account balance. Automatically calculating a possible quantity; (3-3) outputting the result calculated in the step (3-2) from the main server to the client PC of the user; And (3-4) Displaying the orderable quantity of the cyber securities trading system, characterized in that it comprises the step of displaying the calculation result input to the client PC in the order window so that the user can confirm. The method of claim 5, wherein the process (4), (4-1) determining whether an order reflection key signal by the corresponding user is input on the order window on which the calculation result is displayed; (4-2) if the order reflecting key signal is inputted by the corresponding user as a result of the determination of step (4-1), determining which order reflecting key signal among the maximum orderable quantity and the unordered orderable quantity; (4-3) automatically inputting the corresponding maximum orderable quantity into the purchase quantity input window when the determination result of the step (4-2) is a key signal for reflecting the maximum quantity available for ordering; (4-4) automatically inputting the corresponding unordered order quantity into the purchase quantity input window when the determination result of step (4-2) is a key signal for reflecting the quantity of unordered order; (4-5) if the order reflection key signal is not inputted by the corresponding user as a result of the determination in step (4-1), determining whether to directly input the purchase quantity for purchasing the corresponding stock item; (4-6) Determining whether the order confirmation key signal is input by the user after the purchase quantity of stock items to purchase through the steps (4-3) (4-4) and (4-5) is determined. ; And (4-7) When the order confirmation key signal is input by the corresponding user, outputting the order data to the main server and performing the stock trading method characterized in that the made in the cyber securities trading system comprising the step of .