(1) When calculating the average purchase price and position cost, only the customer's purchase cost is considered, and the impact of the customer's profit and loss from selling on the cost price is not considered;
(2) When calculating the capital-guaranteed price, we take into account not only the customer's historical cost of buying stocks, but also the impact of profits and losses from selling stocks, and the cost of selling existing stock positions is estimated. However, the capital-guaranteed price is estimated at three thousandths when calculating the selling fee, which may not necessarily conform to the actual situation of your account;
(3) The cost of diluting the position is similar to the capital-guaranteed price, the cost of the customer buying the stock and the profit or loss from selling stocks will affect the calculation of the cost price, but the cost price does not estimate the selling cost of selling the current stock position;
(4) If you operate a certain security for a long time and continue to hold it, Yes, the cost price is calculated based on all records of your operation of the security. Taking into account the entire process of your operation of the security, the cost price may be very high or negative.
Examples of extended information:
Example: A customer started operating Shenzhen Development Bank A (000001) on T-3 and did not hold the stock before. (Shenzhen A stock handling fee includes stamp tax and commission. The stamp tax is one thousandth, assuming that the commission for this customer is three thousandths. Buying liquidation amount = buying price * buying quantity * (1+3‰), selling Liquidation amount = selling price * selling quantity (1-1‰-3‰))
①Buy 1,000 shares on T-3, the buying price is 19.3 yuan/share, and the buying liquidation amount is 19357.9 yuan.
②Buy 800 shares on T-2, the purchase price is 18.8 yuan/share, and the purchase liquidation amount is 15085.12 yuan.
③On T-1, 900 shares were sold, the selling price was 19.6 yuan/share, and the selling liquidation amount was 17569.44 yuan.
④Sell 500 shares on T day, the selling price is 19.2 yuan/share, and the selling liquidation amount is 9561.6 yuan.