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Contract OI history

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Dec 18, 2026 EXPIRATION

OMC $77.50 Put

OMC261218P00077500

Latest saved OI300Oct 23, 2026
Last change+117vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OMC $77.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3001500 2026-10-02: 179 OI2026-10-05: 179 OI2026-10-06: 179 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 183 OI2026-10-13: 183 OI2026-10-14: 183 OI2026-10-15: 183 OI2026-10-16: 183 OI2026-10-21: 183 OI2026-10-23: 300 OI Oct 02, 2026Oct 23, 2026

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

OMC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026300+117
Oct 21, 2026Viewing1830
Oct 16, 20261830
Oct 15, 20261830
Oct 14, 20261830
Oct 13, 20261830
Oct 09, 20261830
Oct 08, 20261830
Oct 07, 2026183+4
Oct 06, 20261790
Oct 05, 20261790
Oct 02, 2026179No prior observation