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Contract OI history

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Jan 19, 2029 EXPIRATION

MRK $90.00 Put

MRK290119P00090000

Latest saved OI183Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $90.00 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: 163 OI2026-10-05: 163 OI2026-10-06: 167 OI2026-10-07: 167 OI2026-10-08: 167 OI2026-10-09: 182 OI2026-10-13: 183 OI2026-10-14: 183 OI2026-10-15: 183 OI2026-10-16: 183 OI2026-10-21: 183 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.

MRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1830
Oct 21, 20261830
Oct 16, 20261830
Oct 15, 20261830
Oct 14, 20261830
Oct 13, 2026183+1
Oct 09, 2026182+15
Oct 08, 20261670
Oct 07, 20261670
Oct 06, 2026167+4
Oct 05, 20261630
Oct 02, 2026163No prior observation