ISRG· Intuitive Surgical
Open interest · contracts by strike
Spot
397.7
Max Pain
405
Call OI
1,778
Put OI
872
P/C ratio
0.49
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 405
Spot 397.7
455
30
450
45
445
151
440
54
435
280
430
17
229
425
402
Call OI
420
19
199
415
57
170
410
28
49
405
43
70
Max pain
400
84
24
395
128
54
390
74
19
385
40
380
137
Put OI
375
37
370
115
365
23
360
34
355
350
340
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.