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Contract OI history

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Mar 19, 2027 EXPIRATION

BP $38.00 Put

BP270319P00038000

Latest saved OI283Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BP $38.00 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. 3031510 2026-10-02: 303 OI2026-10-05: 303 OI2026-10-06: 303 OI2026-10-07: 303 OI2026-10-08: 303 OI2026-10-09: 303 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-15: 283 OI2026-10-16: 283 OI2026-10-21: 283 OI2026-10-23: 283 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2830
Oct 21, 20262830
Oct 16, 20262830
Oct 15, 2026283+1
Oct 14, 20262820
Oct 13, 2026282-21
Oct 09, 20263030
Oct 08, 20263030
Oct 07, 20263030
Oct 06, 20263030
Oct 05, 20263030
Oct 02, 2026303No prior observation