OITracker Cboe delayed data

Contract OI history

Back to MRK

Dec 17, 2027 EXPIRATION

MRK $110.00 Put

MRK271217P00110000

Latest saved OI759Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $110.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7753870 2026-10-02: 775 OI2026-10-05: 775 OI2026-10-06: 775 OI2026-10-07: 775 OI2026-10-08: 775 OI2026-10-09: 775 OI2026-10-13: 775 OI2026-10-14: 775 OI2026-10-15: 775 OI2026-10-16: 750 OI2026-10-21: 759 OI2026-10-23: 759 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, 2026Viewing7590
Oct 21, 2026759+9
Oct 16, 2026750-25
Oct 15, 20267750
Oct 14, 20267750
Oct 13, 20267750
Oct 09, 20267750
Oct 08, 20267750
Oct 07, 20267750
Oct 06, 20267750
Oct 05, 20267750
Oct 02, 2026775No prior observation