OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $530.00 Call

BRKB261218C00530000

Latest saved OI1,730Oct 23, 2026
Last change-63vs 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. 1,8109050 2026-10-02: 1,716 OI2026-10-05: 1,728 OI2026-10-06: 1,784 OI2026-10-07: 1,781 OI2026-10-08: 1,781 OI2026-10-09: 1,723 OI2026-10-13: 1,712 OI2026-10-14: 1,712 OI2026-10-15: 1,713 OI2026-10-16: 1,810 OI2026-10-21: 1,793 OI2026-10-23: 1,730 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, 2026Viewing1,730-63
Oct 21, 20261,793-17
Oct 16, 20261,810+97
Oct 15, 20261,713+1
Oct 14, 20261,7120
Oct 13, 20261,712-11
Oct 09, 20261,723-58
Oct 08, 20261,7810
Oct 07, 20261,781-3
Oct 06, 20261,784+56
Oct 05, 20261,728+12
Oct 02, 20261,716No prior observation