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Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $580.00 Call

BRKB261120C00580000

Latest saved OI725Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $580.00 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. 7253620 2026-10-02: 184 OI2026-10-05: 195 OI2026-10-06: 200 OI2026-10-07: 201 OI2026-10-08: 201 OI2026-10-09: 202 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 204 OI2026-10-16: 221 OI2026-10-21: 724 OI2026-10-23: 725 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, 2026Viewing725+1
Oct 21, 2026724+503
Oct 16, 2026221+17
Oct 15, 20262040
Oct 14, 20262040
Oct 13, 2026204+2
Oct 09, 2026202+1
Oct 08, 20262010
Oct 07, 2026201+1
Oct 06, 2026200+5
Oct 05, 2026195+11
Oct 02, 2026184No prior observation