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Contract OI history

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Jan 21, 2028 EXPIRATION

BTI $55.00 Put

BTI280121P00055000

Latest saved OI1,601Oct 23, 2026
Last change-20vs 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. 1,6228110 2026-10-02: 1,620 OI2026-10-05: 1,622 OI2026-10-06: 1,622 OI2026-10-07: 1,622 OI2026-10-09: 1,622 OI2026-10-13: 1,622 OI2026-10-15: 1,622 OI2026-10-16: 1,621 OI2026-10-21: 1,621 OI2026-10-23: 1,601 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, 2026Viewing1,601-20
Oct 21, 20261,6210
Oct 16, 20261,621-1
Oct 15, 20261,6220
Oct 13, 20261,6220
Oct 09, 20261,6220
Oct 07, 20261,6220
Oct 06, 20261,6220
Oct 05, 20261,622+2
Oct 02, 20261,620No prior observation