1. Short selling of stock market futures refers to that although the current stock price is relatively high, investors are not optimistic about the stock market prospects and expect the stock price to fall, so they sell the stock at a relatively high price and buy it when the stock falls to a certain price to obtain the difference income.

(1) short position: investors are bearish on the stock market prospects and think that the stock price is too high now, so they sell the stock first, and then buy it when the stock price falls to the expected level in the future to earn the difference. This kind of person who sells first and then buys is called a bear.

(2) Cash-out: Selling stocks for cash.

2. Cash-out refers to how much the investor's stock has sold now. As long as you sell stocks, you are cashing in. Of course, there are those who make money and those who lose money. Selling stocks at a profit is called profit, and selling at a loss is called cutting meat. Stocks bought on the same day can only be sold on the second trading day, and the money for selling stocks can be bought on the same day. If you withdraw cash, you can't transfer it to the bank account until the second trading day. After you transfer it to the bank, you can withdraw it immediately.