OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $530.00 Put

BRKB270115P00530000

Latest saved OI874Oct 23, 2026
Last change+32vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $530.00 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. 8744370 2026-10-02: 686 OI2026-10-05: 691 OI2026-10-06: 688 OI2026-10-07: 688 OI2026-10-08: 688 OI2026-10-09: 687 OI2026-10-13: 700 OI2026-10-14: 700 OI2026-10-15: 702 OI2026-10-16: 704 OI2026-10-21: 842 OI2026-10-23: 874 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, 2026Viewing874+32
Oct 21, 2026842+138
Oct 16, 2026704+2
Oct 15, 2026702+2
Oct 14, 20267000
Oct 13, 2026700+13
Oct 09, 2026687-1
Oct 08, 20266880
Oct 07, 20266880
Oct 06, 2026688-3
Oct 05, 2026691+5
Oct 02, 2026686No prior observation