OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $460.00 Put

BRKB270319P00460000

Latest saved OI2,559Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $460.00 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. 2,5591,2790 2026-10-02: 2,488 OI2026-10-05: 2,503 OI2026-10-06: 2,530 OI2026-10-07: 2,530 OI2026-10-08: 2,530 OI2026-10-09: 2,545 OI2026-10-13: 2,545 OI2026-10-14: 2,545 OI2026-10-15: 2,553 OI2026-10-16: 2,550 OI2026-10-21: 2,553 OI2026-10-23: 2,559 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, 2026Viewing2,559+6
Oct 21, 20262,553+3
Oct 16, 20262,550-3
Oct 15, 20262,553+8
Oct 14, 20262,5450
Oct 13, 20262,5450
Oct 09, 20262,545+15
Oct 08, 20262,5300
Oct 07, 20262,5300
Oct 06, 20262,530+27
Oct 05, 20262,503+15
Oct 02, 20262,488No prior observation