OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $730.00 Call

BRKB270115C00730000

Latest saved OI295Oct 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 $730.00 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. 2951470 2026-10-02: 287 OI2026-10-05: 287 OI2026-10-06: 287 OI2026-10-07: 287 OI2026-10-08: 287 OI2026-10-09: 295 OI2026-10-13: 295 OI2026-10-14: 295 OI2026-10-15: 295 OI2026-10-16: 295 OI2026-10-21: 295 OI2026-10-23: 295 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, 2026Viewing2950
Oct 21, 20262950
Oct 16, 20262950
Oct 15, 20262950
Oct 14, 20262950
Oct 13, 20262950
Oct 09, 2026295+8
Oct 08, 20262870
Oct 07, 20262870
Oct 06, 20262870
Oct 05, 20262870
Oct 02, 2026287No prior observation