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Contract OI history

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Dec 18, 2026 EXPIRATION

BTI $55.00 Put

BTI261218P00055000

Latest saved OI1,182Oct 23, 2026
Last change-7vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTI $55.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1895940 2026-10-02: 1,175 OI2026-10-05: 1,168 OI2026-10-06: 1,168 OI2026-10-07: 1,166 OI2026-10-09: 1,159 OI2026-10-13: 1,161 OI2026-10-15: 1,154 OI2026-10-16: 1,151 OI2026-10-21: 1,189 OI2026-10-23: 1,182 OI Oct 02, 2026Oct 23, 2026

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

BTI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,182-7
Oct 21, 20261,189+38
Oct 16, 20261,151-3
Oct 15, 20261,154-7
Oct 13, 20261,161+2
Oct 09, 20261,159-7
Oct 07, 20261,166-2
Oct 06, 20261,1680
Oct 05, 20261,168-7
Oct 02, 20261,175No prior observation