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Contract OI history

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Dec 18, 2026 EXPIRATION

BP $50.00 Put

BP261218P00050000

Latest saved OI1,123Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BP $50.00 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. 1,1235610 2026-10-02: 1,075 OI2026-10-05: 1,075 OI2026-10-06: 1,075 OI2026-10-07: 1,075 OI2026-10-08: 1,075 OI2026-10-09: 1,075 OI2026-10-13: 1,071 OI2026-10-14: 1,071 OI2026-10-15: 1,071 OI2026-10-16: 1,071 OI2026-10-21: 1,119 OI2026-10-23: 1,123 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, 2026Viewing1,123+4
Oct 21, 20261,119+48
Oct 16, 20261,0710
Oct 15, 20261,0710
Oct 14, 20261,0710
Oct 13, 20261,071-4
Oct 09, 20261,0750
Oct 08, 20261,0750
Oct 07, 20261,0750
Oct 06, 20261,0750
Oct 05, 20261,0750
Oct 02, 20261,075No prior observation