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Contract OI history

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Nov 20, 2026 EXPIRATION

BTI $50.00 Put

BTI261120P00050000

Latest saved OI241Oct 23, 2026
Last change-6vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTI $50.00 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. 2471230 2026-10-02: 113 OI2026-10-05: 132 OI2026-10-06: 208 OI2026-10-07: 210 OI2026-10-09: 236 OI2026-10-13: 237 OI2026-10-15: 235 OI2026-10-16: 228 OI2026-10-21: 247 OI2026-10-23: 241 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, 2026Viewing241-6
Oct 21, 2026247+19
Oct 16, 2026228-7
Oct 15, 2026235-2
Oct 13, 2026237+1
Oct 09, 2026236+26
Oct 07, 2026210+2
Oct 06, 2026208+76
Oct 05, 2026132+19
Oct 02, 2026113No prior observation