Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $480.00 Call

BRKB280121C00480000

Latest saved OI188Oct 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 $480.00 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. 190950 2026-10-02: 177 OI2026-10-05: 187 OI2026-10-06: 187 OI2026-10-07: 187 OI2026-10-08: 187 OI2026-10-09: 190 OI2026-10-13: 190 OI2026-10-14: 190 OI2026-10-15: 189 OI2026-10-16: 188 OI2026-10-21: 188 OI2026-10-23: 188 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, 2026Viewing1880
Oct 21, 20261880
Oct 16, 2026188-1
Oct 15, 2026189-1
Oct 14, 20261900
Oct 13, 20261900
Oct 09, 2026190+3
Oct 08, 20261870
Oct 07, 20261870
Oct 06, 20261870
Oct 05, 2026187+10
Oct 02, 2026177No prior observation