Double liquidation means that in a certain transaction, the opening amount is equal to zero, the closing amount is the current amount, the opening amount is reduced, and the difference is equal to the current amount, indicating that both long and short positions have reduced their positions. The original bulls sell and close positions, and the original bears buy and close positions and reduce positions.

Futures terminology

Shuangping: The original long position was closed, the original short position was closed, and the position was reduced.