OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $670.00 Call

BRKB270115C00670000

Latest saved OI702Oct 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 $670.00 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. 7173580 2026-10-02: 717 OI2026-10-05: 717 OI2026-10-06: 717 OI2026-10-07: 717 OI2026-10-08: 717 OI2026-10-09: 702 OI2026-10-13: 702 OI2026-10-14: 702 OI2026-10-15: 702 OI2026-10-16: 702 OI2026-10-21: 702 OI2026-10-23: 702 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, 2026Viewing7020
Oct 21, 20267020
Oct 16, 20267020
Oct 15, 20267020
Oct 14, 20267020
Oct 13, 20267020
Oct 09, 2026702-15
Oct 08, 20267170
Oct 07, 20267170
Oct 06, 20267170
Oct 05, 20267170
Oct 02, 2026717No prior observation