HSIC· Henry Schein
Open interest · contracts by strike
Spot
83.5
Max Pain
75
Call OI
688
Put OI
25
P/C ratio
0.04
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 75
Spot 83.5
95
90
26
85
81
80
267
75
18
310
Call 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.