VRSK· Verisk Analytics
Open interest · contracts by strike
Spot
179.5
Max Pain
180
Call OI
790
Put OI
1,280
P/C ratio
1.62
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 180
Spot 179.5
200
13
289
Call OI
195
46
190
22
88
185
73
44
180
288
202
Put OI
175
254
13
170
90
43
165
191
27
160
118
33
155
230
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.