Handling fees and transaction costs: In futures trading, besides the bid price, there are transaction costs such as handling fees, which may lead to losses.

Market fluctuation: the futures market fluctuates greatly, and the price may fluctuate greatly in a short time, resulting in the loss of the originally profitable position.

Holding positions for too long: Holding positions for too long may lead to some risks, such as market risks and policy risks, which may turn profitable positions into losses.

Operational errors: in futures trading, if there are operational errors, such as choosing the wrong contract, choosing the wrong trading direction, setting the wrong stop loss, etc. A profitable position may turn into a loss.