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Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $515.00 Put

BRKB270319P00515000

Latest saved OI179Oct 23, 2026
Last change+17vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $515.00 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. 179890 2026-10-02: 119 OI2026-10-05: 121 OI2026-10-06: 127 OI2026-10-07: 129 OI2026-10-08: 129 OI2026-10-09: 130 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 156 OI2026-10-16: 162 OI2026-10-21: 162 OI2026-10-23: 179 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, 2026Viewing179+17
Oct 21, 20261620
Oct 16, 2026162+6
Oct 15, 2026156+8
Oct 14, 20261480
Oct 13, 2026148+18
Oct 09, 2026130+1
Oct 08, 20261290
Oct 07, 2026129+2
Oct 06, 2026127+6
Oct 05, 2026121+2
Oct 02, 2026119No prior observation