OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $550.00 Call

BRKB270115C00550000

Latest saved OI7,129Oct 23, 2026
Last change+370vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $550.00 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. 7,1293,5640 2026-10-02: 6,405 OI2026-10-05: 6,406 OI2026-10-06: 6,456 OI2026-10-07: 6,454 OI2026-10-08: 6,454 OI2026-10-09: 6,636 OI2026-10-13: 6,654 OI2026-10-14: 6,654 OI2026-10-15: 6,666 OI2026-10-16: 6,699 OI2026-10-21: 6,759 OI2026-10-23: 7,129 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, 2026Viewing7,129+370
Oct 21, 20266,759+60
Oct 16, 20266,699+33
Oct 15, 20266,666+12
Oct 14, 20266,6540
Oct 13, 20266,654+18
Oct 09, 20266,636+182
Oct 08, 20266,4540
Oct 07, 20266,454-2
Oct 06, 20266,456+50
Oct 05, 20266,406+1
Oct 02, 20266,405No prior observation