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Contract OI history

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Mar 19, 2027 EXPIRATION

BP $42.00 Put

BP270319P00042000

Latest saved OI789Oct 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 $42.00 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. 7903950 2026-10-02: 789 OI2026-10-05: 789 OI2026-10-06: 789 OI2026-10-07: 789 OI2026-10-08: 789 OI2026-10-09: 789 OI2026-10-13: 790 OI2026-10-14: 790 OI2026-10-15: 790 OI2026-10-16: 790 OI2026-10-21: 789 OI2026-10-23: 789 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, 2026Viewing7890
Oct 21, 2026789-1
Oct 16, 20267900
Oct 15, 20267900
Oct 14, 20267900
Oct 13, 2026790+1
Oct 09, 20267890
Oct 08, 20267890
Oct 07, 20267890
Oct 06, 20267890
Oct 05, 20267890
Oct 02, 2026789No prior observation