What is the difference between stock index futures IH 1905, IH 1906 and IH 1909? Why are they all different from the index of SSE 50?
The difference between stock index futures IH 1905, IH 1906 and IH 1909 is that 19 represents the year, and 05, 06 and 09 represent the expiration month of the contract. As for why no one is the same as the SSE 50 index, just look at the 50ETF index. What caused the fluctuation trend of stock index futures speculation?