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Contract OI history

Back to BRK.B

Oct 23, 2026 EXPIRATION

BRK.B $520.00 Call

BRKB261023C00520000

Latest saved OI426Oct 23, 2026
Last change-47vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $520.00 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. 5342670 2026-10-02: 323 OI2026-10-05: 311 OI2026-10-06: 331 OI2026-10-07: 340 OI2026-10-08: 340 OI2026-10-09: 394 OI2026-10-13: 488 OI2026-10-14: 488 OI2026-10-15: 534 OI2026-10-16: 533 OI2026-10-21: 473 OI2026-10-23: 426 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, 2026Viewing426-47
Oct 21, 2026473-60
Oct 16, 2026533-1
Oct 15, 2026534+46
Oct 14, 20264880
Oct 13, 2026488+94
Oct 09, 2026394+54
Oct 08, 20263400
Oct 07, 2026340+9
Oct 06, 2026331+20
Oct 05, 2026311-12
Oct 02, 2026323No prior observation