note:
1. Futures profit and loss are calculated according to the trading point, regardless of the percentage of price increase and decrease (the percentage of price increase and decrease of futures is calculated according to the settlement price of the previous day).
2. For a variety that goes up or down 1 point, the primary profit mainly depends on the unit of this variety: for example, primary coke 100 ton, primary oil 1000 yuan, primary oil 1000 barrel, and primary profit1000 yuan!
3. Minimum change unit: a variety jumps several points: for example, the minimum change unit of thread is 1, which means 1 point jump, and the minimum change unit of asphalt is 2 point jump.