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Contract OI history

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Oct 30, 2026 EXPIRATION

MRK $152.50 Call

MRK261030C00152500

Latest saved OI2,893Oct 23, 2026
Last change-182vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $152.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,1792,0890 2026-10-02: 58 OI2026-10-05: 60 OI2026-10-06: 4,071 OI2026-10-07: 4,073 OI2026-10-08: 4,073 OI2026-10-09: 4,177 OI2026-10-13: 4,179 OI2026-10-14: 4,179 OI2026-10-15: 2,996 OI2026-10-16: 2,948 OI2026-10-21: 3,075 OI2026-10-23: 2,893 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, 2026Viewing2,893-182
Oct 21, 20263,075+127
Oct 16, 20262,948-48
Oct 15, 20262,996-1,183
Oct 14, 20264,1790
Oct 13, 20264,179+2
Oct 09, 20264,177+104
Oct 08, 20264,0730
Oct 07, 20264,073+2
Oct 06, 20264,071+4,011
Oct 05, 202660+2
Oct 02, 202658No prior observation