OITracker Cboe delayed data

Contract OI history

Back to BP

Oct 30, 2026 EXPIRATION

BP $40.00 Put

BP261030P00040000

Latest saved OI1,113Oct 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 $40.00 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. 1,1965980 2026-10-02: 161 OI2026-10-05: 209 OI2026-10-06: 209 OI2026-10-07: 209 OI2026-10-08: 203 OI2026-10-09: 1,196 OI2026-10-13: 1,113 OI2026-10-14: 1,113 OI2026-10-15: 1,113 OI2026-10-16: 1,113 OI2026-10-21: 1,113 OI2026-10-23: 1,113 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, 2026Viewing1,1130
Oct 21, 20261,1130
Oct 16, 20261,1130
Oct 15, 20261,1130
Oct 14, 20261,1130
Oct 13, 20261,113-83
Oct 09, 20261,196+993
Oct 08, 2026203-6
Oct 07, 20262090
Oct 06, 20262090
Oct 05, 2026209+48
Oct 02, 2026161No prior observation