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Contract OI history

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Mar 19, 2027 EXPIRATION

MRK $130.00 Call

MRK270319C00130000

Latest saved OI558Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $130.00 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. 5732860 2026-10-02: 573 OI2026-10-05: 573 OI2026-10-06: 564 OI2026-10-07: 564 OI2026-10-08: 564 OI2026-10-09: 564 OI2026-10-13: 564 OI2026-10-14: 564 OI2026-10-15: 564 OI2026-10-16: 564 OI2026-10-21: 563 OI2026-10-23: 558 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, 2026Viewing558-5
Oct 21, 2026563-1
Oct 16, 20265640
Oct 15, 20265640
Oct 14, 20265640
Oct 13, 20265640
Oct 09, 20265640
Oct 08, 20265640
Oct 07, 20265640
Oct 06, 2026564-9
Oct 05, 20265730
Oct 02, 2026573No prior observation