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Contract OI history

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Dec 18, 2026 EXPIRATION

BMO $175.00 Call

BMO261218C00175000

Latest saved OI758Oct 21, 2026
Last change+1vs 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. 7583790 2026-10-01: 710 OI2026-10-02: 708 OI2026-10-05: 708 OI2026-10-06: 708 OI2026-10-07: 758 OI2026-10-08: 758 OI2026-10-09: 757 OI2026-10-13: 757 OI2026-10-14: 757 OI2026-10-16: 757 OI2026-10-21: 758 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, 2026Viewing758+1
Oct 16, 20267570
Oct 14, 20267570
Oct 13, 20267570
Oct 09, 2026757-1
Oct 08, 20267580
Oct 07, 2026758+50
Oct 06, 20267080
Oct 05, 20267080
Oct 02, 2026708-2
Oct 01, 2026710No prior observation