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Contract OI history

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Nov 06, 2026 EXPIRATION

MRK $160.00 Call

MRK261106C00160000

Latest saved OI353Oct 23, 2026
Last change+75vs 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. 3531760 2026-10-02: 77 OI2026-10-05: 100 OI2026-10-06: 158 OI2026-10-07: 163 OI2026-10-08: 163 OI2026-10-09: 180 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-15: 180 OI2026-10-16: 184 OI2026-10-21: 278 OI2026-10-23: 353 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, 2026Viewing353+75
Oct 21, 2026278+94
Oct 16, 2026184+4
Oct 15, 2026180+1
Oct 14, 20261790
Oct 13, 2026179-1
Oct 09, 2026180+17
Oct 08, 20261630
Oct 07, 2026163+5
Oct 06, 2026158+58
Oct 05, 2026100+23
Oct 02, 202677No prior observation