SMH
Open interest · contracts by strike
Spot
655.9
Max Pain
620
Call OI
25,826
Put OI
165,577
P/C ratio
6.41
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 620
Spot 655.9
750
745
740
735
730
725
720
715
710
705
700
695
690
685
680
675
Call OI
670
665
660
655
650
645
640
635
630
625
620
Max pain
615
610
6,783
605
600
105,241
Put OI
595
590
5,447
585
580
8,968
575
570
565
560
22,634
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.