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Contract OI history

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Jan 15, 2027 EXPIRATION

BMO $110.00 Put

BMO270115P00110000

Latest saved OI279Oct 21, 2026
Last change0vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
BMO $110.00 put open interest history 11 saved observations from 2026-10-01 to 2026-10-21. Exact values and changes are listed in the table below. 2791390 2026-10-01: 279 OI2026-10-02: 279 OI2026-10-05: 279 OI2026-10-06: 279 OI2026-10-07: 279 OI2026-10-08: 279 OI2026-10-09: 279 OI2026-10-13: 279 OI2026-10-14: 279 OI2026-10-16: 279 OI2026-10-21: 279 OI Oct 01, 2026Oct 21, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BMO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing2790
Oct 16, 20262790
Oct 14, 20262790
Oct 13, 20262790
Oct 09, 20262790
Oct 08, 20262790
Oct 07, 20262790
Oct 06, 20262790
Oct 05, 20262790
Oct 02, 20262790
Oct 01, 2026279No prior observation