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Contract OI history

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Jan 15, 2027 EXPIRATION

MRK $145.00 Call

MRK270115C00145000

Latest saved OI4,232Oct 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. 4,2322,1160 2026-10-02: 3,971 OI2026-10-05: 3,970 OI2026-10-06: 4,099 OI2026-10-07: 4,124 OI2026-10-08: 4,124 OI2026-10-09: 4,126 OI2026-10-13: 4,183 OI2026-10-14: 4,183 OI2026-10-15: 4,217 OI2026-10-16: 4,216 OI2026-10-21: 4,232 OI2026-10-23: 4,232 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, 2026Viewing4,2320
Oct 21, 20264,232+16
Oct 16, 20264,216-1
Oct 15, 20264,217+34
Oct 14, 20264,1830
Oct 13, 20264,183+57
Oct 09, 20264,126+2
Oct 08, 20264,1240
Oct 07, 20264,124+25
Oct 06, 20264,099+129
Oct 05, 20263,970-1
Oct 02, 20263,971No prior observation