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Contract OI history

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Nov 20, 2026 EXPIRATION

MRK $160.00 Call

MRK261120C00160000

Latest saved OI5,649Oct 23, 2026
Last change+76vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $160.00 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. 5,6492,8240 2026-10-02: 3,678 OI2026-10-05: 5,055 OI2026-10-06: 5,494 OI2026-10-07: 4,915 OI2026-10-08: 4,915 OI2026-10-09: 4,813 OI2026-10-13: 4,930 OI2026-10-14: 4,930 OI2026-10-15: 4,997 OI2026-10-16: 5,311 OI2026-10-21: 5,573 OI2026-10-23: 5,649 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, 2026Viewing5,649+76
Oct 21, 20265,573+262
Oct 16, 20265,311+314
Oct 15, 20264,997+67
Oct 14, 20264,9300
Oct 13, 20264,930+117
Oct 09, 20264,813-102
Oct 08, 20264,9150
Oct 07, 20264,915-579
Oct 06, 20265,494+439
Oct 05, 20265,055+1,377
Oct 02, 20263,678No prior observation