COST· Costco
Open interest · contracts by strike
Spot
935.5
Max Pain
955
Call OI
5,909
Put OI
5,839
P/C ratio
0.99
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 955
Spot 935.5
1,075
198
1,065
233
1,055
409
1,045
85
1,035
67
1,025
109
1,015
128
1,005
396
997.5
82
990
119
380
985
57
592
980
117
363
975
110
300
970
128
636
Call OI
965
152
253
960
268
502
955
150
336
Max pain
950
472
293
940
391
181
930
361
76
920
679
33
910
301
900
341
48
890
132
880
147
870
860
46
850
85
840
357
830
57
108
820
241
810
281
800
814
Put OI
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.