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Contract OI history

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Oct 23, 2026 EXPIRATION

MRK $160.00 Call

MRK261023C00160000

Latest saved OI960Oct 23, 2026
Last change+87vs 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. 9604800 2026-10-02: 857 OI2026-10-05: 854 OI2026-10-06: 853 OI2026-10-07: 870 OI2026-10-08: 870 OI2026-10-09: 865 OI2026-10-13: 864 OI2026-10-14: 864 OI2026-10-15: 895 OI2026-10-16: 896 OI2026-10-21: 873 OI2026-10-23: 960 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, 2026Viewing960+87
Oct 21, 2026873-23
Oct 16, 2026896+1
Oct 15, 2026895+31
Oct 14, 20268640
Oct 13, 2026864-1
Oct 09, 2026865-5
Oct 08, 20268700
Oct 07, 2026870+17
Oct 06, 2026853-1
Oct 05, 2026854-3
Oct 02, 2026857No prior observation