2. Variety difference: The specific delivery variety, region, time and other factors of the futures contract are different from the local pig market, which leads to the situation that the delivery pig price is higher than the futures price.
3. Good delivery quality: The delivery quality of some pigs is higher than the quality standard stipulated in the futures contract, and there is demand for the supply of these high-quality pigs in the market, resulting in the delivery pig price being higher than the futures price.
4. Operation strategy: Some investors adopt different operation strategies and choose physical delivery instead of liquidation, which will lead to the delivery pig price being higher than the futures price.
5. Fluctuation of demand: the fluctuation of demand in the live pig market is unstable, and the demand has increased significantly in some periods, which has led to a sharp rise in the spot price of the market, thus driving the price of live pigs to rise.