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Contract OI history

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Jul 16, 2027 EXPIRATION

BTI $55.00 Put

BTI270716P00055000

Latest saved OI422Oct 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 $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. 4222110 2026-10-02: 421 OI2026-10-05: 421 OI2026-10-06: 421 OI2026-10-07: 421 OI2026-10-09: 422 OI2026-10-13: 422 OI2026-10-15: 422 OI2026-10-16: 421 OI2026-10-21: 422 OI2026-10-23: 422 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, 2026Viewing4220
Oct 21, 2026422+1
Oct 16, 2026421-1
Oct 15, 20264220
Oct 13, 20264220
Oct 09, 2026422+1
Oct 07, 20264210
Oct 06, 20264210
Oct 05, 20264210
Oct 02, 2026421No prior observation