OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $575.00 Call

BRKB261218C00575000

Latest saved OI446Oct 23, 2026
Last change+79vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $575.00 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. 4462230 2026-10-02: 279 OI2026-10-05: 279 OI2026-10-06: 276 OI2026-10-07: 277 OI2026-10-08: 277 OI2026-10-09: 293 OI2026-10-13: 337 OI2026-10-14: 337 OI2026-10-15: 337 OI2026-10-16: 338 OI2026-10-21: 367 OI2026-10-23: 446 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, 2026Viewing446+79
Oct 21, 2026367+29
Oct 16, 2026338+1
Oct 15, 20263370
Oct 14, 20263370
Oct 13, 2026337+44
Oct 09, 2026293+16
Oct 08, 20262770
Oct 07, 2026277+1
Oct 06, 2026276-3
Oct 05, 20262790
Oct 02, 2026279No prior observation