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Contract OI history

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Jan 15, 2027 EXPIRATION

BTI $25.00 Put

BTI270115P00025000

Latest saved OI180Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTI $25.00 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. 183910 2026-10-02: 183 OI2026-10-05: 183 OI2026-10-06: 183 OI2026-10-07: 183 OI2026-10-09: 183 OI2026-10-13: 180 OI2026-10-15: 180 OI2026-10-16: 180 OI2026-10-21: 180 OI2026-10-23: 180 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, 2026Viewing1800
Oct 21, 20261800
Oct 16, 20261800
Oct 15, 20261800
Oct 13, 2026180-3
Oct 09, 20261830
Oct 07, 20261830
Oct 06, 20261830
Oct 05, 20261830
Oct 02, 2026183No prior observation