OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $670.00 Call

BRKB281215C00670000

Latest saved OI560Oct 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. 5602800 2026-10-02: 554 OI2026-10-05: 554 OI2026-10-06: 554 OI2026-10-07: 554 OI2026-10-08: 554 OI2026-10-09: 554 OI2026-10-13: 554 OI2026-10-14: 554 OI2026-10-15: 554 OI2026-10-16: 554 OI2026-10-21: 560 OI2026-10-23: 560 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, 2026Viewing5600
Oct 21, 2026560+6
Oct 16, 20265540
Oct 15, 20265540
Oct 14, 20265540
Oct 13, 20265540
Oct 09, 20265540
Oct 08, 20265540
Oct 07, 20265540
Oct 06, 20265540
Oct 05, 20265540
Oct 02, 2026554No prior observation