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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $115.00 Call

MRK270617C00115000

Latest saved OI898Oct 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 $115.00 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. 9024510 2026-10-02: 902 OI2026-10-05: 902 OI2026-10-06: 897 OI2026-10-07: 897 OI2026-10-08: 897 OI2026-10-09: 897 OI2026-10-13: 897 OI2026-10-14: 897 OI2026-10-15: 898 OI2026-10-16: 898 OI2026-10-21: 898 OI2026-10-23: 898 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, 2026Viewing8980
Oct 21, 20268980
Oct 16, 20268980
Oct 15, 2026898+1
Oct 14, 20268970
Oct 13, 20268970
Oct 09, 20268970
Oct 08, 20268970
Oct 07, 20268970
Oct 06, 2026897-5
Oct 05, 20269020
Oct 02, 2026902No prior observation