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Contract OI history

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Dec 17, 2027 EXPIRATION

EVH $2.50 Put

EVH271217P00002500

Latest saved OI170Oct 23, 2026
Last change-3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EVH $2.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 173860 2026-10-02: 170 OI2026-10-05: 170 OI2026-10-06: 173 OI2026-10-07: 173 OI2026-10-08: 173 OI2026-10-13: 173 OI2026-10-15: 173 OI2026-10-16: 173 OI2026-10-20: 173 OI2026-10-23: 170 OI Oct 02, 2026Oct 23, 2026

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

EVH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing170-3
Oct 20, 20261730
Oct 16, 20261730
Oct 15, 20261730
Oct 13, 20261730
Oct 08, 20261730
Oct 07, 20261730
Oct 06, 2026173+3
Oct 05, 20261700
Oct 02, 2026170No prior observation