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Contract OI history

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Nov 06, 2026 EXPIRATION

BRK.B $535.00 Call

BRKB261106C00535000

Latest saved OI579Oct 23, 2026
Last change-62vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $535.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6413200 2026-10-02: 48 OI2026-10-05: 51 OI2026-10-06: 58 OI2026-10-07: 61 OI2026-10-08: 61 OI2026-10-09: 74 OI2026-10-13: 88 OI2026-10-14: 88 OI2026-10-15: 105 OI2026-10-16: 116 OI2026-10-21: 641 OI2026-10-23: 579 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BRK.B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing579-62
Oct 21, 2026641+525
Oct 16, 2026116+11
Oct 15, 2026105+17
Oct 14, 2026880
Oct 13, 202688+14
Oct 09, 202674+13
Oct 08, 2026610
Oct 07, 202661+3
Oct 06, 202658+7
Oct 05, 202651+3
Oct 02, 202648No prior observation