CB· Chubb Limited
Open interest · contracts by strike
Spot
340.7
Max Pain
320
Call OI
6,540
Put OI
1,946
P/C ratio
0.30
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 320
Spot 340.7
390
385
380
375
370
217
365
360
135
355
224
350
211
345
410
340
1,990
Call OI
335
199
330
144
369
325
154
1,645
320
268
1,069
Max pain
315
177
310
263
305
730
Put OI
300
295
290
123
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.