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Contract OI history

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Nov 20, 2026 EXPIRATION

BMO $165.00 Call

BMO261120C00165000

Latest saved OI132Oct 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 $165.00 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. 132660 2026-10-01: 26 OI2026-10-02: 27 OI2026-10-05: 27 OI2026-10-06: 27 OI2026-10-07: 27 OI2026-10-08: 27 OI2026-10-09: 132 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-16: 132 OI2026-10-21: 132 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, 2026Viewing1320
Oct 16, 20261320
Oct 14, 20261320
Oct 13, 20261320
Oct 09, 2026132+105
Oct 08, 2026270
Oct 07, 2026270
Oct 06, 2026270
Oct 05, 2026270
Oct 02, 202627+1
Oct 01, 202626No prior observation