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Contract OI history

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Jan 21, 2028 EXPIRATION

MRK $105.00 Call

MRK280121C00105000

Latest saved OI762Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $105.00 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. 7753870 2026-10-02: 775 OI2026-10-05: 775 OI2026-10-06: 774 OI2026-10-07: 774 OI2026-10-08: 774 OI2026-10-09: 774 OI2026-10-13: 762 OI2026-10-14: 762 OI2026-10-15: 762 OI2026-10-16: 762 OI2026-10-21: 762 OI2026-10-23: 762 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, 2026Viewing7620
Oct 21, 20267620
Oct 16, 20267620
Oct 15, 20267620
Oct 14, 20267620
Oct 13, 2026762-12
Oct 09, 20267740
Oct 08, 20267740
Oct 07, 20267740
Oct 06, 2026774-1
Oct 05, 20267750
Oct 02, 2026775No prior observation