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Contract OI history

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Jan 15, 2027 EXPIRATION

BMO $50.00 Put

BMO270115P00050000

Latest saved OI115Oct 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 $50.00 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. 115570 2026-10-01: 115 OI2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 115 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-16: 115 OI2026-10-21: 115 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, 2026Viewing1150
Oct 16, 20261150
Oct 14, 20261150
Oct 13, 20261150
Oct 09, 20261150
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 20261150
Oct 05, 20261150
Oct 02, 20261150
Oct 01, 2026115No prior observation