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Contract OI history

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Nov 20, 2026 EXPIRATION

OMF $57.50 Put

OMF261120P00057500

Latest saved OI153Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OMF $57.50 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. 158790 2026-10-02: 153 OI2026-10-05: 153 OI2026-10-06: 153 OI2026-10-07: 158 OI2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-16: 153 OI2026-10-20: 153 OI2026-10-23: 153 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, 20261530
Oct 20, 2026Viewing1530
Oct 16, 2026153-5
Oct 14, 20261580
Oct 13, 20261580
Oct 09, 20261580
Oct 08, 20261580
Oct 07, 2026158+5
Oct 06, 20261530
Oct 05, 20261530
Oct 02, 2026153No prior observation