The loss in the futures market is 3600-3220=380 yuan/ton.

The spot market price is 3600+ 10=36 10 yuan/ton.

The actual selling price is 36 10-380=3230 yuan/ton.

4. Buy hedging. 1 mid-month basis difference 3600-4350=-750 yuan/ton.

Mid-March 4 150-4780=-630 yuan/ton

Futures prices are higher than spot prices, so they are all positive markets. Foundation strength 120

Spot cost rises by 4 150-3600=550 yuan/ton.

Futures market profit 4780-4350=430 yuan/ton.

Loss 120 yuan/ton

5. The futures price is 67,000+500 = 67,500 yuan/ton.

Foundation strength 400

The profit in the futures market is 67,000+500-65,700 =1800 yuan/ton.

The spot market dropped by 67,000-65,600 =1400 yuan/ton.

Earnings per ton 400 yuan

For reference only. If there is any mistake, please send it to 986830685@qq.com*** for discussion.