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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $110.00 Put

MRK270617P00110000

Latest saved OI3,983Oct 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 $110.00 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. 3,9831,9910 2026-10-02: 3,972 OI2026-10-05: 3,972 OI2026-10-06: 3,972 OI2026-10-07: 3,972 OI2026-10-08: 3,972 OI2026-10-09: 3,972 OI2026-10-13: 3,972 OI2026-10-14: 3,972 OI2026-10-15: 3,983 OI2026-10-16: 3,983 OI2026-10-21: 3,983 OI2026-10-23: 3,983 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, 2026Viewing3,9830
Oct 21, 20263,9830
Oct 16, 20263,9830
Oct 15, 20263,983+11
Oct 14, 20263,9720
Oct 13, 20263,9720
Oct 09, 20263,9720
Oct 08, 20263,9720
Oct 07, 20263,9720
Oct 06, 20263,9720
Oct 05, 20263,9720
Oct 02, 20263,972No prior observation