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Contract OI history

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Nov 20, 2026 EXPIRATION

BCO $105.00 Put

BCO261120P00105000

Latest saved OI135Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BCO $105.00 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. 159790 2026-10-02: 141 OI2026-10-05: 141 OI2026-10-06: 141 OI2026-10-07: 141 OI2026-10-08: 141 OI2026-10-09: 141 OI2026-10-13: 156 OI2026-10-14: 159 OI2026-10-15: 159 OI2026-10-16: 159 OI2026-10-21: 159 OI2026-10-23: 135 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing135-24
Oct 21, 20261590
Oct 16, 20261590
Oct 15, 20261590
Oct 14, 2026159+3
Oct 13, 2026156+15
Oct 09, 20261410
Oct 08, 20261410
Oct 07, 20261410
Oct 06, 20261410
Oct 05, 20261410
Oct 02, 2026141No prior observation