The purpose of doing T is to reduce the cost of stock holding, that is, the funds withdrawn on the same day can be used immediately. After escaping from some funds and reducing the cost of holding positions through low positions, it will open up room for future stock price increases, thus quickly escaping from the quilt cover state. The deeper skill is actually to see the timing of opening positions in advance. When the fund is profitable, investors do T operation and sell some fund shares. The expected income from selling this part of the fund will be shared equally among the remaining fund shares, thus reducing the cost of investors' positions.

There are actually two forms in the process of doing T: positive T-buy first and then sell, buy first at the time-sharing low point and sell again at the next time-sharing high point (suitable for bull market); 2. Inverted T-sell first and then buy, sell first at the time-sharing high point and buy again at the next time-sharing low point (suitable for bear market).

Because the stock price fluctuates every day, we will make a big fuss about these fluctuations. For example, if you had 100 shares yesterday, you can buy 100 shares today, wait for the stock price to rise, and then sell 100 shares; You can also sell 100 shares first, and then wait for the stock price to fall. Buy 100 shares again. At today's close, you still have 100 shares, but you have bought and sold one or several shares back and forth. Once in and out, or several in and out, the number of positions closed is the same as yesterday, but the cash has increased, which can reduce the cost until it reaches the bottom position.

The second inverted T shape is the first choice in unpacking. Because funds can't be moved and intervened casually in the case of quilt cover, the situation of buying T first is not conducive to the operation of unpacking. Therefore, after selling at the high point of the day, it is more appropriate to add the same number of stocks (inverted T) later.

: What is the cost of holding positions?

The total transaction cost of financial products or derivatives (such as stocks or futures) after continuous batch trading (buying and selling) for a period of time MINUS the floating profit and loss divided by the current holdings, that is, the (unit) position cost. The simple understanding of the cost of holding a position is the cost of buying a stock or a fund unit price. For example, if you buy the same stock for one or more times, the position cost shown in the account refers to the lowest reserve price (including handling fee and commission) of the stock, and the principal is the sum of the cost of buying the stock or fund, that is, how much money has been spent.