On October 13th, stock index futures opened lower in the morning session. The CSI 300 Stock Index Futures (IF) main contract fell 1.48%, the SSE 50 Stock Index Futures (IH) main contract declined 1.15%, the CSI 500 Stock Index Futures (IC) main contract dropped 1.93%, and the CSI 1000 Stock Index Futures (IM) main contract fell 2.10%.