Basis (futures minus spot): CSI 300 IF2608 discount 18.92 pts; SSE 50 IH2608
discount 8.39 pts; CSI 500 IC2608 discount 57.91 pts; CSI 1000 IM2608 discount
39.32 pts. Calendar spreads (Aug–Sep): IF2608-2609 +31.0 pts; IH2608-2609 +20.0
pts; IC2608-2609 +73.2 pts; IM2608-2609 +77.0 pts.