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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $145.00 Call

MRK270617C00145000

Latest saved OI1,626Oct 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 $145.00 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. 1,6268130 2026-10-02: 1,582 OI2026-10-05: 1,600 OI2026-10-06: 1,596 OI2026-10-07: 1,601 OI2026-10-08: 1,601 OI2026-10-09: 1,601 OI2026-10-13: 1,610 OI2026-10-14: 1,610 OI2026-10-15: 1,616 OI2026-10-16: 1,621 OI2026-10-21: 1,626 OI2026-10-23: 1,626 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, 2026Viewing1,6260
Oct 21, 20261,626+5
Oct 16, 20261,621+5
Oct 15, 20261,616+6
Oct 14, 20261,6100
Oct 13, 20261,610+9
Oct 09, 20261,6010
Oct 08, 20261,6010
Oct 07, 20261,601+5
Oct 06, 20261,596-4
Oct 05, 20261,600+18
Oct 02, 20261,582No prior observation