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Contract OI history

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Dec 18, 2026 EXPIRATION

BTI $45.00 Put

BTI261218P00045000

Latest saved OI500Oct 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 $45.00 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. 5002500 2026-10-02: 497 OI2026-10-05: 497 OI2026-10-06: 497 OI2026-10-07: 497 OI2026-10-09: 497 OI2026-10-13: 497 OI2026-10-15: 497 OI2026-10-16: 499 OI2026-10-21: 500 OI2026-10-23: 500 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, 2026Viewing5000
Oct 21, 2026500+1
Oct 16, 2026499+2
Oct 15, 20264970
Oct 13, 20264970
Oct 09, 20264970
Oct 07, 20264970
Oct 06, 20264970
Oct 05, 20264970
Oct 02, 2026497No prior observation