OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $480.00 Put

BRKB270115P00480000

Latest saved OI5,085Oct 23, 2026
Last change-1vs 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. 5,0862,5430 2026-10-02: 4,246 OI2026-10-05: 4,242 OI2026-10-06: 4,276 OI2026-10-07: 4,282 OI2026-10-08: 4,282 OI2026-10-09: 4,245 OI2026-10-13: 4,266 OI2026-10-14: 4,266 OI2026-10-15: 4,237 OI2026-10-16: 5,059 OI2026-10-21: 5,086 OI2026-10-23: 5,085 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, 2026Viewing5,085-1
Oct 21, 20265,086+27
Oct 16, 20265,059+822
Oct 15, 20264,237-29
Oct 14, 20264,2660
Oct 13, 20264,266+21
Oct 09, 20264,245-37
Oct 08, 20264,2820
Oct 07, 20264,282+6
Oct 06, 20264,276+34
Oct 05, 20264,242-4
Oct 02, 20264,246No prior observation