1. Short SSE 50ETF. You can buy some ETF securities codes through securities accounts, then sell these ETFs, and then buy them back after the price drops, thus making a profit. This process is called shorting.
2. Buy put options. You can buy a put option, which will decide whether to exercise according to whether the price of the underlying asset (such as SSE 50ETF) falls when it expires. If the price falls, you will make a profit.
3. buy a reverse ETF. Reverse ETF is an index-based ETF, and its price will be opposite to the index. For example, the reverse ETF of SSE 50 will rise when SSE 50 falls. By buying reverse ETF, you can profit from the decline of SSE 50.
No matter which way you choose, you need to carefully study the performance of the market and ETF, and make a reasonable trading plan to ensure the minimum risk. Be sure to consult a professional investment consultant before making any transaction.