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Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $410.00 Put

BRKB281215P00410000

Latest saved OI167Oct 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 $410.00 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. 169840 2026-10-02: 166 OI2026-10-05: 166 OI2026-10-06: 167 OI2026-10-07: 167 OI2026-10-08: 167 OI2026-10-09: 167 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-15: 169 OI2026-10-16: 169 OI2026-10-21: 167 OI2026-10-23: 167 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, 2026Viewing1670
Oct 21, 2026167-2
Oct 16, 20261690
Oct 15, 2026169+2
Oct 14, 20261670
Oct 13, 20261670
Oct 09, 20261670
Oct 08, 20261670
Oct 07, 20261670
Oct 06, 2026167+1
Oct 05, 20261660
Oct 02, 2026166No prior observation