selllimit: Place a sell order (short position) above the current price, usually used to sell when it is close to the upper support level (callback short position)

sellstop: Place a buy order below the current price ( Short position), usually used to sell orders when approaching the lower support level (callback short position)

Futures trading is an advanced transaction based on spot trading and developed from forward contract trading. Way. It refers to the form of buying and selling futures contracts in a commodity exchange through brokers in the form of open competition for large quantities of homogeneous commodities in order to transfer the risk of market price fluctuations.

Futures, usually refers to a futures contract, is a contract. A standardized contract formulated by a futures exchange to deliver a certain amount of subject matter at a specific time and place in the future.

This subject matter, also called the underlying asset, can be a certain commodity, such as copper or crude oil, or a certain financial instrument, such as foreign exchange, bonds, or Is a financial indicator, such as three-month interbank interest rates or a stock index. Futures trading is an inevitable product of the development of market economy to a certain stage

Extended information:

Trading methods

1. Maintain mid-line positions on bullish varieties.

2. For the lightweight intraday inertial operation of the above-mentioned varieties, generally go long after two consecutive falls and close the position after one wave; or go short after two consecutive rises and close the position after one fall. When an unexpected situation occurs, such as a unilateral market, either stop the loss, or open a reverse position in a different month, and make long and short selections and long-short ratios based on the actual situation.

3． For varieties that may change in trend, such as natural rubber, first choose to open a position with the trend. If you make a profit, you can close the position on the same day. If you don't make a profit, lock the position in another month before the market closes.

4. For new varieties such as corn, go long on a small scale first, and then increase your position as soon as you have a sense of direction.

5. For short-term varieties, it is best to choose varieties with larger price differences every other month so that you can lock the position in another month when adverse circumstances occur.

6. Technically, attention should be paid to the traction effect of the channel on this variety and the issues of channel effectiveness and validity period.

7. Regardless of whether the day's trading goes smoothly or not, try to keep the margin below 2/3 before closing. If there is a hedging position, the margin excluding hedging factors should be controlled between 1/2 and 2/3.

Baidu Encyclopedia-Futures Trading