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Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $485.00 Call

BRKB261218C00485000

Latest saved OI107Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $485.00 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. 113560 2026-10-02: 89 OI2026-10-05: 89 OI2026-10-06: 89 OI2026-10-07: 89 OI2026-10-08: 89 OI2026-10-09: 106 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-15: 113 OI2026-10-16: 113 OI2026-10-21: 110 OI2026-10-23: 107 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, 2026Viewing107-3
Oct 21, 2026110-3
Oct 16, 20261130
Oct 15, 20261130
Oct 14, 20261130
Oct 13, 2026113+7
Oct 09, 2026106+17
Oct 08, 2026890
Oct 07, 2026890
Oct 06, 2026890
Oct 05, 2026890
Oct 02, 202689No prior observation