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Contract OI history

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Dec 18, 2026 EXPIRATION

BP $45.00 Put

BP261218P00045000

Latest saved OI1,025Oct 23, 2026
Last change+15vs 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. 1,0255120 2026-10-02: 956 OI2026-10-05: 996 OI2026-10-06: 996 OI2026-10-07: 996 OI2026-10-08: 996 OI2026-10-09: 997 OI2026-10-13: 1,005 OI2026-10-14: 1,005 OI2026-10-15: 1,005 OI2026-10-16: 1,005 OI2026-10-21: 1,010 OI2026-10-23: 1,025 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, 2026Viewing1,025+15
Oct 21, 20261,010+5
Oct 16, 20261,0050
Oct 15, 20261,0050
Oct 14, 20261,0050
Oct 13, 20261,005+8
Oct 09, 2026997+1
Oct 08, 20269960
Oct 07, 20269960
Oct 06, 20269960
Oct 05, 2026996+40
Oct 02, 2026956No prior observation