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Contract OI history

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Mar 19, 2027 EXPIRATION

BMO $190.00 Call

BMO270319C00190000

Latest saved OI103Oct 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 $190.00 call open interest history 11 saved observations from 2026-10-01 to 2026-10-21. Exact values and changes are listed in the table below. 103510 2026-10-01: 103 OI2026-10-02: 103 OI2026-10-05: 103 OI2026-10-06: 103 OI2026-10-07: 103 OI2026-10-08: 103 OI2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-16: 103 OI2026-10-21: 103 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, 2026Viewing1030
Oct 16, 20261030
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 20261030
Oct 08, 20261030
Oct 07, 20261030
Oct 06, 20261030
Oct 05, 20261030
Oct 02, 20261030
Oct 01, 2026103No prior observation