1, spot trading. Refers to the trading method in which the seller and the buyer negotiate a transaction and immediately go through the delivery procedures, that is, the seller hands over the stock, the buyer pays, the stock is delivered on the spot and the goods are paid off.

2. Futures trading. After the transaction is concluded, the delivery will be postponed at the price stipulated in the contract. The term of term loans is generally 15-90 days.

3. Credit transaction, also known as pre-transaction, refers to a trading system in which securities companies or financial institutions provide credit for investors to make short selling and short selling transactions.

4. In option trading, the holder has the right to buy or sell a certain number of shares at the agreed price negotiated by both parties within a certain period of time. Option premium is the premium paid by the buyer and the seller after negotiation when buying and selling stock options.