OITracker Cboe delayed data

Contract OI history

Back to MRK

Oct 30, 2026 EXPIRATION

MRK $160.00 Call

MRK261030C00160000

Latest saved OI10,472Oct 23, 2026
Last change+8,283vs 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. 10,4725,2360 2026-10-02: 2,225 OI2026-10-05: 2,226 OI2026-10-06: 2,169 OI2026-10-07: 2,169 OI2026-10-08: 2,169 OI2026-10-09: 2,177 OI2026-10-13: 2,180 OI2026-10-14: 2,180 OI2026-10-15: 2,201 OI2026-10-16: 2,179 OI2026-10-21: 2,189 OI2026-10-23: 10,472 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, 2026Viewing10,472+8,283
Oct 21, 20262,189+10
Oct 16, 20262,179-22
Oct 15, 20262,201+21
Oct 14, 20262,1800
Oct 13, 20262,180+3
Oct 09, 20262,177+8
Oct 08, 20262,1690
Oct 07, 20262,1690
Oct 06, 20262,169-57
Oct 05, 20262,226+1
Oct 02, 20262,225No prior observation