OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $530.00 Call

BRKB270319C00530000

Latest saved OI1,120Oct 23, 2026
Last change-70vs 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. 1,1985990 2026-10-02: 1,132 OI2026-10-05: 1,133 OI2026-10-06: 1,150 OI2026-10-07: 1,153 OI2026-10-08: 1,153 OI2026-10-09: 1,156 OI2026-10-13: 1,160 OI2026-10-14: 1,160 OI2026-10-15: 1,169 OI2026-10-16: 1,198 OI2026-10-21: 1,190 OI2026-10-23: 1,120 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, 2026Viewing1,120-70
Oct 21, 20261,190-8
Oct 16, 20261,198+29
Oct 15, 20261,169+9
Oct 14, 20261,1600
Oct 13, 20261,160+4
Oct 09, 20261,156+3
Oct 08, 20261,1530
Oct 07, 20261,153+3
Oct 06, 20261,150+17
Oct 05, 20261,133+1
Oct 02, 20261,132No prior observation