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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $125.00 Put

MRK270617P00125000

Latest saved OI700Oct 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
MRK $125.00 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. 7093540 2026-10-02: 690 OI2026-10-05: 709 OI2026-10-06: 709 OI2026-10-07: 708 OI2026-10-08: 708 OI2026-10-09: 698 OI2026-10-13: 698 OI2026-10-14: 698 OI2026-10-15: 698 OI2026-10-16: 698 OI2026-10-21: 705 OI2026-10-23: 700 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, 2026Viewing700-5
Oct 21, 2026705+7
Oct 16, 20266980
Oct 15, 20266980
Oct 14, 20266980
Oct 13, 20266980
Oct 09, 2026698-10
Oct 08, 20267080
Oct 07, 2026708-1
Oct 06, 20267090
Oct 05, 2026709+19
Oct 02, 2026690No prior observation