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Contract OI history

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Sep 17, 2027 EXPIRATION

MRK $160.00 Call

MRK270917C00160000

Latest saved OI71Oct 23, 2026
Last change+14vs 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. 71350 2026-10-02: 34 OI2026-10-05: 34 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 53 OI2026-10-13: 56 OI2026-10-14: 56 OI2026-10-15: 57 OI2026-10-16: 57 OI2026-10-21: 57 OI2026-10-23: 71 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, 2026Viewing71+14
Oct 21, 2026570
Oct 16, 2026570
Oct 15, 202657+1
Oct 14, 2026560
Oct 13, 202656+3
Oct 09, 202653+14
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 202639+5
Oct 05, 2026340
Oct 02, 202634No prior observation