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Contract OI history

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Mar 19, 2027 EXPIRATION

BP $45.00 Put

BP270319P00045000

Latest saved OI543Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BP $45.00 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. 5622810 2026-10-02: 408 OI2026-10-05: 413 OI2026-10-06: 413 OI2026-10-07: 413 OI2026-10-08: 426 OI2026-10-09: 500 OI2026-10-13: 500 OI2026-10-14: 500 OI2026-10-15: 500 OI2026-10-16: 562 OI2026-10-21: 548 OI2026-10-23: 543 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, 2026Viewing543-5
Oct 21, 2026548-14
Oct 16, 2026562+62
Oct 15, 20265000
Oct 14, 20265000
Oct 13, 20265000
Oct 09, 2026500+74
Oct 08, 2026426+13
Oct 07, 20264130
Oct 06, 20264130
Oct 05, 2026413+5
Oct 02, 2026408No prior observation