OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $510.00 Put

BRKB281215P00510000

Latest saved OI581Oct 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 $510.00 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. 5862930 2026-10-02: 546 OI2026-10-05: 546 OI2026-10-06: 546 OI2026-10-07: 546 OI2026-10-08: 546 OI2026-10-09: 586 OI2026-10-13: 584 OI2026-10-14: 584 OI2026-10-15: 584 OI2026-10-16: 584 OI2026-10-21: 581 OI2026-10-23: 581 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, 2026Viewing5810
Oct 21, 2026581-3
Oct 16, 20265840
Oct 15, 20265840
Oct 14, 20265840
Oct 13, 2026584-2
Oct 09, 2026586+40
Oct 08, 20265460
Oct 07, 20265460
Oct 06, 20265460
Oct 05, 20265460
Oct 02, 2026546No prior observation