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Contract OI history

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Jun 17, 2027 EXPIRATION

BP $42.00 Put

BP270617P00042000

Latest saved OI309Oct 23, 2026
Last change+53vs 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. 3091540 2026-10-02: 240 OI2026-10-05: 240 OI2026-10-06: 240 OI2026-10-07: 242 OI2026-10-08: 243 OI2026-10-09: 248 OI2026-10-13: 248 OI2026-10-14: 248 OI2026-10-15: 250 OI2026-10-16: 252 OI2026-10-21: 256 OI2026-10-23: 309 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, 2026Viewing309+53
Oct 21, 2026256+4
Oct 16, 2026252+2
Oct 15, 2026250+2
Oct 14, 20262480
Oct 13, 20262480
Oct 09, 2026248+5
Oct 08, 2026243+1
Oct 07, 2026242+2
Oct 06, 20262400
Oct 05, 20262400
Oct 02, 2026240No prior observation