OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $350.00 Call

BRKB270115C00350000

Latest saved OI110Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $350.00 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. 6813400 2026-10-02: 681 OI2026-10-05: 681 OI2026-10-06: 681 OI2026-10-07: 681 OI2026-10-08: 681 OI2026-10-09: 681 OI2026-10-13: 549 OI2026-10-14: 549 OI2026-10-15: 549 OI2026-10-16: 115 OI2026-10-21: 110 OI2026-10-23: 110 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, 2026Viewing1100
Oct 21, 2026110-5
Oct 16, 2026115-434
Oct 15, 20265490
Oct 14, 20265490
Oct 13, 2026549-132
Oct 09, 20266810
Oct 08, 20266810
Oct 07, 20266810
Oct 06, 20266810
Oct 05, 20266810
Oct 02, 2026681No prior observation