BRK-B· Berkshire Hathaway
Open interest · contracts by strike
Spot
500.4
Max Pain
490
Call OI
10,550
Put OI
4,792
P/C ratio
0.45
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 490
Spot 500.4
575
570
565
560
555
550
545
540
535
530
525
520
406
515
284
510
578
507.5
233
505
2,948
Call OI
502.5
600
500
1,438
497.5
121
2,201
495
238
541
492.5
120
279
490
249
226
Max pain
487.5
153
485
406
161
482.5
480
497
477.5
272
475
319
162
472.5
470
254
467.5
465
582
Put OI
460
446
455
171
450
237
445
440
435
430
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.