OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BP $35.00 Put

BP270115P00035000

Latest saved OI4,720Oct 23, 2026
Last change-198vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BP $35.00 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. 5,2822,6410 2026-10-02: 5,074 OI2026-10-05: 5,073 OI2026-10-06: 5,073 OI2026-10-07: 5,062 OI2026-10-08: 5,062 OI2026-10-09: 5,062 OI2026-10-13: 5,282 OI2026-10-14: 5,282 OI2026-10-15: 5,115 OI2026-10-16: 4,717 OI2026-10-21: 4,918 OI2026-10-23: 4,720 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, 2026Viewing4,720-198
Oct 21, 20264,918+201
Oct 16, 20264,717-398
Oct 15, 20265,115-167
Oct 14, 20265,2820
Oct 13, 20265,282+220
Oct 09, 20265,0620
Oct 08, 20265,0620
Oct 07, 20265,062-11
Oct 06, 20265,0730
Oct 05, 20265,073-1
Oct 02, 20265,074No prior observation