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Contract OI history

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Jan 15, 2027 EXPIRATION

MRK $170.00 Call

MRK270115C00170000

Latest saved OI3,142Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $170.00 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. 3,1421,5710 2026-10-02: 2,228 OI2026-10-05: 2,232 OI2026-10-06: 2,467 OI2026-10-07: 2,470 OI2026-10-08: 2,470 OI2026-10-09: 2,491 OI2026-10-13: 2,495 OI2026-10-14: 2,495 OI2026-10-15: 2,526 OI2026-10-16: 3,094 OI2026-10-21: 3,120 OI2026-10-23: 3,142 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, 2026Viewing3,142+22
Oct 21, 20263,120+26
Oct 16, 20263,094+568
Oct 15, 20262,526+31
Oct 14, 20262,4950
Oct 13, 20262,495+4
Oct 09, 20262,491+21
Oct 08, 20262,4700
Oct 07, 20262,470+3
Oct 06, 20262,467+235
Oct 05, 20262,232+4
Oct 02, 20262,228No prior observation