OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $250.00 Put

BRKB270319P00250000

Latest saved OI94Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $250.00 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. 125620 2026-10-02: 125 OI2026-10-05: 125 OI2026-10-06: 125 OI2026-10-07: 125 OI2026-10-08: 125 OI2026-10-09: 125 OI2026-10-13: 125 OI2026-10-14: 125 OI2026-10-15: 125 OI2026-10-16: 125 OI2026-10-21: 105 OI2026-10-23: 94 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, 2026Viewing94-11
Oct 21, 2026105-20
Oct 16, 20261250
Oct 15, 20261250
Oct 14, 20261250
Oct 13, 20261250
Oct 09, 20261250
Oct 08, 20261250
Oct 07, 20261250
Oct 06, 20261250
Oct 05, 20261250
Oct 02, 2026125No prior observation