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Contract OI history

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Dec 18, 2026 EXPIRATION

EMR $155.00 Put

EMR261218P00155000

Latest saved OI183Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EMR $155.00 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. 183910 2026-10-02: 161 OI2026-10-05: 160 OI2026-10-06: 160 OI2026-10-07: 161 OI2026-10-08: 161 OI2026-10-09: 162 OI2026-10-13: 163 OI2026-10-14: 164 OI2026-10-15: 165 OI2026-10-16: 174 OI2026-10-21: 178 OI2026-10-23: 183 OI Oct 02, 2026Oct 23, 2026

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

EMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing183+5
Oct 21, 2026178+4
Oct 16, 2026174+9
Oct 15, 2026165+1
Oct 14, 2026164+1
Oct 13, 2026163+1
Oct 09, 2026162+1
Oct 08, 20261610
Oct 07, 2026161+1
Oct 06, 20261600
Oct 05, 2026160-1
Oct 02, 2026161No prior observation