OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 13, 2026 EXPIRATION

BRK.B $510.00 Put

BRKB261113P00510000

Latest saved OI173Oct 23, 2026
Last change-15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $510.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 188940 2026-10-02: 0 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 30 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-15: 52 OI2026-10-16: 117 OI2026-10-21: 188 OI2026-10-23: 173 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, 2026Viewing173-15
Oct 21, 2026188+71
Oct 16, 2026117+65
Oct 15, 202652+7
Oct 14, 2026450
Oct 13, 202645+15
Oct 09, 202630+28
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 05, 20262+2
Oct 02, 20260No prior observation