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Contract OI history

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Oct 30, 2026 EXPIRATION

MRK $147.00 Call

MRK261030C00147000

Latest saved OI2,449Oct 23, 2026
Last change-877vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $147.00 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. 4,0832,0410 2026-10-02: 57 OI2026-10-05: 62 OI2026-10-06: 4,068 OI2026-10-07: 4,069 OI2026-10-08: 4,069 OI2026-10-09: 4,069 OI2026-10-13: 4,083 OI2026-10-14: 4,083 OI2026-10-15: 3,084 OI2026-10-16: 3,080 OI2026-10-21: 3,326 OI2026-10-23: 2,449 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, 2026Viewing2,449-877
Oct 21, 20263,326+246
Oct 16, 20263,080-4
Oct 15, 20263,084-999
Oct 14, 20264,0830
Oct 13, 20264,083+14
Oct 09, 20264,0690
Oct 08, 20264,0690
Oct 07, 20264,069+1
Oct 06, 20264,068+4,006
Oct 05, 202662+5
Oct 02, 202657No prior observation