OITracker Cboe delayed data

Contract OI history

Back to MRK

Jan 15, 2027 EXPIRATION

MRK $160.00 Call

MRK270115C00160000

Latest saved OI2,356Oct 23, 2026
Last change-3,135vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $160.00 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. 5,4912,7450 2026-10-02: 786 OI2026-10-05: 790 OI2026-10-06: 802 OI2026-10-07: 823 OI2026-10-08: 823 OI2026-10-09: 5,225 OI2026-10-13: 5,220 OI2026-10-14: 5,220 OI2026-10-15: 5,224 OI2026-10-16: 5,229 OI2026-10-21: 5,491 OI2026-10-23: 2,356 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, 2026Viewing2,356-3,135
Oct 21, 20265,491+262
Oct 16, 20265,229+5
Oct 15, 20265,224+4
Oct 14, 20265,2200
Oct 13, 20265,220-5
Oct 09, 20265,225+4,402
Oct 08, 20268230
Oct 07, 2026823+21
Oct 06, 2026802+12
Oct 05, 2026790+4
Oct 02, 2026786No prior observation