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Contract OI history

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Nov 20, 2026 EXPIRATION

BMO $175.00 Call

BMO261120C00175000

Latest saved OI670Oct 21, 2026
Last change+10vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
BMO $175.00 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. 6703350 2026-10-01: 558 OI2026-10-02: 544 OI2026-10-05: 544 OI2026-10-06: 545 OI2026-10-07: 545 OI2026-10-08: 550 OI2026-10-09: 549 OI2026-10-13: 553 OI2026-10-14: 556 OI2026-10-16: 660 OI2026-10-21: 670 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, 2026Viewing670+10
Oct 16, 2026660+104
Oct 14, 2026556+3
Oct 13, 2026553+4
Oct 09, 2026549-1
Oct 08, 2026550+5
Oct 07, 20265450
Oct 06, 2026545+1
Oct 05, 20265440
Oct 02, 2026544-14
Oct 01, 2026558No prior observation