ZTS· Zoetis
Open interest · contracts by strike
Spot
71.9
Max Pain
80
Call OI
5,107
Put OI
10,212
P/C ratio
2.00
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 80
Spot 71.9
80
3,079
4,072
Call OI
75
2,642
919
70
2,753
65
1,738
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.