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Contract OI history

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Jan 15, 2027 EXPIRATION

MRK $105.00 Call

MRK270115C00105000

Latest saved OI1,806Oct 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. 1,8079030 2026-10-02: 1,807 OI2026-10-05: 1,807 OI2026-10-06: 1,806 OI2026-10-07: 1,806 OI2026-10-08: 1,806 OI2026-10-09: 1,806 OI2026-10-13: 1,805 OI2026-10-14: 1,805 OI2026-10-15: 1,805 OI2026-10-16: 1,806 OI2026-10-21: 1,806 OI2026-10-23: 1,806 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, 2026Viewing1,8060
Oct 21, 20261,8060
Oct 16, 20261,806+1
Oct 15, 20261,8050
Oct 14, 20261,8050
Oct 13, 20261,805-1
Oct 09, 20261,8060
Oct 08, 20261,8060
Oct 07, 20261,8060
Oct 06, 20261,806-1
Oct 05, 20261,8070
Oct 02, 20261,807No prior observation