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Contract OI history

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Jan 15, 2027 EXPIRATION

MRK $175.00 Call

MRK270115C00175000

Latest saved OI2,103Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $175.00 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. 5,1152,5570 2026-10-02: 5,113 OI2026-10-05: 5,113 OI2026-10-06: 5,115 OI2026-10-07: 5,115 OI2026-10-08: 5,115 OI2026-10-09: 2,078 OI2026-10-13: 2,079 OI2026-10-14: 2,079 OI2026-10-15: 2,078 OI2026-10-16: 2,088 OI2026-10-21: 2,109 OI2026-10-23: 2,103 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, 2026Viewing2,103-6
Oct 21, 20262,109+21
Oct 16, 20262,088+10
Oct 15, 20262,078-1
Oct 14, 20262,0790
Oct 13, 20262,079+1
Oct 09, 20262,078-3,037
Oct 08, 20265,1150
Oct 07, 20265,1150
Oct 06, 20265,115+2
Oct 05, 20265,1130
Oct 02, 20265,113No prior observation