OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BP $38.00 Put

BP270115P00038000

Latest saved OI366Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BP $38.00 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. 3661830 2026-10-02: 265 OI2026-10-05: 267 OI2026-10-06: 267 OI2026-10-07: 266 OI2026-10-08: 266 OI2026-10-09: 266 OI2026-10-13: 266 OI2026-10-14: 266 OI2026-10-15: 266 OI2026-10-16: 266 OI2026-10-21: 366 OI2026-10-23: 366 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, 2026Viewing3660
Oct 21, 2026366+100
Oct 16, 20262660
Oct 15, 20262660
Oct 14, 20262660
Oct 13, 20262660
Oct 09, 20262660
Oct 08, 20262660
Oct 07, 2026266-1
Oct 06, 20262670
Oct 05, 2026267+2
Oct 02, 2026265No prior observation