The contract with ID $ALPACA 17 will be taken off the shelf in 4 hours. I feel that the market makers won't have time to push it down or pull it up again. Bold prediction: we will see a continuous bear market. Anyway, once the time is up, it will automatically settle without needing to crash the market. Even if they manage to wipe out all the short positions, it still has to settle. After all, there are many short positions. If there is a sharp decline, it is very likely that the long positions will be liquidated, causing the platform to incur losses. So for safety's sake, it will definitely be a bear market. After all, there are many short positions, and the shorts will cover the longs' positions, leaving the liquidation fees to the platform. This is still the normal situation. If we consider collusion for profit, it becomes easier to manipulate. They will make the platform lose and then slowly distribute the remaining profits. This echoes the saying: 'The money of the gentry is returned in full, while the money of the common people is divided three to seven.'