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Contract OI history

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Mar 19, 2027 EXPIRATION

BTI $55.00 Put

BTI270319P00055000

Latest saved OI1,205Oct 23, 2026
Last change+98vs 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. 1,2056020 2026-10-02: 386 OI2026-10-05: 385 OI2026-10-06: 385 OI2026-10-07: 404 OI2026-10-09: 406 OI2026-10-13: 406 OI2026-10-15: 567 OI2026-10-16: 776 OI2026-10-21: 1,107 OI2026-10-23: 1,205 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, 2026Viewing1,205+98
Oct 21, 20261,107+331
Oct 16, 2026776+209
Oct 15, 2026567+161
Oct 13, 20264060
Oct 09, 2026406+2
Oct 07, 2026404+19
Oct 06, 20263850
Oct 05, 2026385-1
Oct 02, 2026386No prior observation