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Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $465.00 Call

BRKB261218C00465000

Latest saved OI326Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $465.00 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. 3271630 2026-10-02: 327 OI2026-10-05: 327 OI2026-10-06: 327 OI2026-10-07: 327 OI2026-10-08: 327 OI2026-10-09: 327 OI2026-10-13: 327 OI2026-10-14: 327 OI2026-10-15: 327 OI2026-10-16: 326 OI2026-10-21: 326 OI2026-10-23: 326 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, 2026Viewing3260
Oct 21, 20263260
Oct 16, 2026326-1
Oct 15, 20263270
Oct 14, 20263270
Oct 13, 20263270
Oct 09, 20263270
Oct 08, 20263270
Oct 07, 20263270
Oct 06, 20263270
Oct 05, 20263270
Oct 02, 2026327No prior observation