OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $480.00 Put

BRKB281215P00480000

Latest saved OI463Oct 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 $480.00 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. 4762380 2026-10-02: 475 OI2026-10-05: 475 OI2026-10-06: 476 OI2026-10-07: 476 OI2026-10-08: 476 OI2026-10-09: 475 OI2026-10-13: 473 OI2026-10-14: 473 OI2026-10-15: 464 OI2026-10-16: 463 OI2026-10-21: 463 OI2026-10-23: 463 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, 2026Viewing4630
Oct 21, 20264630
Oct 16, 2026463-1
Oct 15, 2026464-9
Oct 14, 20264730
Oct 13, 2026473-2
Oct 09, 2026475-1
Oct 08, 20264760
Oct 07, 20264760
Oct 06, 2026476+1
Oct 05, 20264750
Oct 02, 2026475No prior observation