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Contract OI history

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Mar 19, 2027 EXPIRATION

BTI $45.00 Put

BTI270319P00045000

Latest saved OI146Oct 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. 146730 2026-10-02: 143 OI2026-10-05: 143 OI2026-10-06: 143 OI2026-10-07: 143 OI2026-10-09: 143 OI2026-10-13: 143 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-21: 146 OI2026-10-23: 146 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, 2026Viewing1460
Oct 21, 2026146+3
Oct 16, 20261430
Oct 15, 20261430
Oct 13, 20261430
Oct 09, 20261430
Oct 07, 20261430
Oct 06, 20261430
Oct 05, 20261430
Oct 02, 2026143No prior observation