Actually, you should short a few minutes before the delivery, then close the position after the delivery when it plummets, and go long on the rebound.

【Dragon Slayer Plan】The second official order was ruined by an old mouse dropping $FUN . I just want to earn his profit, but he actually wants to wipe out all my principal! So never mind, the trading data doesn't matter anymore, I will be the hunter slaying the dragon!
1. Buy long a few minutes before the rate settlement, and sell immediately after the rate settlement to use the rate subsidy to cover the loss, making a small profit!
2. After the settlement, short on the rebound, filling up the position, not giving him a chance to pull the market to clear the stock!
Do the market manipulators want to modify the rules to wipe out everyone's principal? Then no one should expect to have it easy!