OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BP $35.00 Put

BP270319P00035000

Latest saved OI412Oct 23, 2026
Last change-403vs 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. 8154070 2026-10-02: 810 OI2026-10-05: 810 OI2026-10-06: 810 OI2026-10-07: 810 OI2026-10-08: 815 OI2026-10-09: 815 OI2026-10-13: 815 OI2026-10-14: 815 OI2026-10-15: 815 OI2026-10-16: 815 OI2026-10-21: 815 OI2026-10-23: 412 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, 2026Viewing412-403
Oct 21, 20268150
Oct 16, 20268150
Oct 15, 20268150
Oct 14, 20268150
Oct 13, 20268150
Oct 09, 20268150
Oct 08, 2026815+5
Oct 07, 20268100
Oct 06, 20268100
Oct 05, 20268100
Oct 02, 2026810No prior observation