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Contract OI history

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Nov 06, 2026 EXPIRATION

MRK $150.00 Call

MRK261106C00150000

Latest saved OI425Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $150.00 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. 4252120 2026-10-02: 16 OI2026-10-05: 36 OI2026-10-06: 64 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 76 OI2026-10-13: 76 OI2026-10-14: 76 OI2026-10-15: 75 OI2026-10-16: 80 OI2026-10-21: 424 OI2026-10-23: 425 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, 2026Viewing425+1
Oct 21, 2026424+344
Oct 16, 202680+5
Oct 15, 202675-1
Oct 14, 2026760
Oct 13, 2026760
Oct 09, 202676+6
Oct 08, 2026700
Oct 07, 202670+6
Oct 06, 202664+28
Oct 05, 202636+20
Oct 02, 202616No prior observation