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Contract OI history

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Dec 18, 2026 EXPIRATION

BP $43.00 Put

BP261218P00043000

Latest saved OI1,560Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BP $43.00 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. 1,5607800 2026-10-02: 1,532 OI2026-10-05: 1,533 OI2026-10-06: 1,533 OI2026-10-07: 1,533 OI2026-10-08: 1,535 OI2026-10-09: 1,535 OI2026-10-13: 1,534 OI2026-10-14: 1,534 OI2026-10-15: 1,534 OI2026-10-16: 1,535 OI2026-10-21: 1,544 OI2026-10-23: 1,560 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, 2026Viewing1,560+16
Oct 21, 20261,544+9
Oct 16, 20261,535+1
Oct 15, 20261,5340
Oct 14, 20261,5340
Oct 13, 20261,534-1
Oct 09, 20261,5350
Oct 08, 20261,535+2
Oct 07, 20261,5330
Oct 06, 20261,5330
Oct 05, 20261,533+1
Oct 02, 20261,532No prior observation