Futures contracts traded in China are marked with "code+year (last two digits)+month", while contract codes usually use English abbreviations (agricultural products or chemical products, etc.). ) or elemental symbols (metal futures).

IF is the abbreviation of index futures, and 07 1 1 means the delivery month is (20)07 1 1.

LX0 1 is a commodity futures contract code traded in China in the past, which means "ordinary rebar" and has nothing to do with stock index futures.