OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $500.00 Call

BRKB280121C00500000

Latest saved OI1,289Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $500.00 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. 1,2926460 2026-10-02: 1,221 OI2026-10-05: 1,225 OI2026-10-06: 1,226 OI2026-10-07: 1,227 OI2026-10-08: 1,227 OI2026-10-09: 1,226 OI2026-10-13: 1,226 OI2026-10-14: 1,226 OI2026-10-15: 1,226 OI2026-10-16: 1,223 OI2026-10-21: 1,292 OI2026-10-23: 1,289 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, 2026Viewing1,289-3
Oct 21, 20261,292+69
Oct 16, 20261,223-3
Oct 15, 20261,2260
Oct 14, 20261,2260
Oct 13, 20261,2260
Oct 09, 20261,226-1
Oct 08, 20261,2270
Oct 07, 20261,227+1
Oct 06, 20261,226+1
Oct 05, 20261,225+4
Oct 02, 20261,221No prior observation