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Contract OI history

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Nov 20, 2026 EXPIRATION

OMF $50.00 Put

OMF261120P00050000

Latest saved OI2,472Oct 23, 2026
Last change+13vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OMF $50.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,4721,2360 2026-10-02: 2,389 OI2026-10-05: 2,379 OI2026-10-06: 2,386 OI2026-10-07: 2,387 OI2026-10-08: 2,387 OI2026-10-09: 2,387 OI2026-10-13: 2,419 OI2026-10-14: 2,430 OI2026-10-16: 2,427 OI2026-10-20: 2,459 OI2026-10-23: 2,472 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OMF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,472+13
Oct 20, 2026Viewing2,459+32
Oct 16, 20262,427-3
Oct 14, 20262,430+11
Oct 13, 20262,419+32
Oct 09, 20262,3870
Oct 08, 20262,3870
Oct 07, 20262,387+1
Oct 06, 20262,386+7
Oct 05, 20262,379-10
Oct 02, 20262,389No prior observation