OITracker Cboe delayed data

Contract OI history

Back to MRK

Jun 17, 2027 EXPIRATION

MRK $110.00 Call

MRK270617C00110000

Latest saved OI1,289Oct 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 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. 1,2976480 2026-10-02: 1,297 OI2026-10-05: 1,297 OI2026-10-06: 1,297 OI2026-10-07: 1,297 OI2026-10-08: 1,297 OI2026-10-09: 1,294 OI2026-10-13: 1,294 OI2026-10-14: 1,294 OI2026-10-15: 1,289 OI2026-10-16: 1,289 OI2026-10-21: 1,289 OI2026-10-23: 1,289 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, 2026Viewing1,2890
Oct 21, 20261,2890
Oct 16, 20261,2890
Oct 15, 20261,289-5
Oct 14, 20261,2940
Oct 13, 20261,2940
Oct 09, 20261,294-3
Oct 08, 20261,2970
Oct 07, 20261,2970
Oct 06, 20261,2970
Oct 05, 20261,2970
Oct 02, 20261,297No prior observation