OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 27, 2026 EXPIRATION

BRK.B $535.00 Call

BRKB261127C00535000

Latest saved OI291Oct 23, 2026
Last change+7vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $535.00 call open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 2911450 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 258 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 259 OI2026-10-16: 264 OI2026-10-21: 284 OI2026-10-23: 291 OI Oct 07, 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, 2026Viewing291+7
Oct 21, 2026284+20
Oct 16, 2026264+5
Oct 15, 2026259+2
Oct 14, 20262570
Oct 13, 2026257-1
Oct 09, 2026258+258
Oct 08, 202600
Oct 07, 20260No prior observation