The annualized return of OKX's dual coin win is really high, with an annualized return of over 100% compared to the target price of Bitcoin at around 1500 points. In bull markets or recent market conditions, playing dual coin win is also good. If the price of BTC is higher than the target price you bought the next day, you can earn USDT returns; If the price is lower than the target price, BTC returns can be obtained. One investment has two returns, and the risk is much lower than that of contract options Go to the homepage of the Ouyi app, click on Finance - Recommendations - BTC - Double Coin Win - to participate Register on Ouyi and receive a 20% permanent commission (invitation code: 521btc) https://(okx.com)/join/521btc