OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $530.00 Call

BRKB261120C00530000

Latest saved OI2,202Oct 23, 2026
Last change-85vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $530.00 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. 2,5731,2860 2026-10-02: 2,029 OI2026-10-05: 2,171 OI2026-10-06: 2,165 OI2026-10-07: 2,268 OI2026-10-08: 2,268 OI2026-10-09: 2,435 OI2026-10-13: 2,573 OI2026-10-14: 2,573 OI2026-10-15: 1,874 OI2026-10-16: 2,233 OI2026-10-21: 2,287 OI2026-10-23: 2,202 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, 2026Viewing2,202-85
Oct 21, 20262,287+54
Oct 16, 20262,233+359
Oct 15, 20261,874-699
Oct 14, 20262,5730
Oct 13, 20262,573+138
Oct 09, 20262,435+167
Oct 08, 20262,2680
Oct 07, 20262,268+103
Oct 06, 20262,165-6
Oct 05, 20262,171+142
Oct 02, 20262,029No prior observation