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Contract OI history

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Jan 15, 2027 EXPIRATION

BTI $50.00 Put

BTI270115P00050000

Latest saved OI722Oct 23, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTI $50.00 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. 7453720 2026-10-02: 745 OI2026-10-05: 745 OI2026-10-06: 745 OI2026-10-07: 745 OI2026-10-09: 724 OI2026-10-13: 724 OI2026-10-15: 724 OI2026-10-16: 723 OI2026-10-21: 723 OI2026-10-23: 722 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, 2026Viewing722-1
Oct 21, 20267230
Oct 16, 2026723-1
Oct 15, 20267240
Oct 13, 20267240
Oct 09, 2026724-21
Oct 07, 20267450
Oct 06, 20267450
Oct 05, 20267450
Oct 02, 2026745No prior observation