Once again, it is stated that 2x shorting is not necessarily safe. Once you involve leverage, there is no such thing as safety. The market can have a shooting star and inverted hammer that gets you liquidated, and then go down further; who will you reason with? This is also the reason why I dare not trade contracts. Even in a bear market, there is an 80% chance to make money with 2x shorting, but there is also a 20% probability of getting liquidated. Making money 9 times and losing everything once is meaningless. In other words, many people walk along and end up going astray. For example, getting greedy and increasing leverage temporarily, or not being able to hold various short-term trades and making random operations; many people can't even hold onto their spot positions, so how can they talk about holding a 2x short order?