Individual prices have been lowered in a narrow range, and futures prices have fallen for four consecutive years.

Participation in the spot market is not high, prices are stable and small, and futures are closed

Downstream purchase prices were lowered again, and market performance was not active

Spot prices were lowered individually, and futures prices fluctuated upward

Spot prices rose slightly, while futures prices rose twice in a row after the holiday

Spot prices were partially lowered, and futures prices broke through the 2800 mark, hitting a new high in nearly a month