OITracker Cboe delayed data

Contract OI history

Back to VMRK

Dec 18, 2026 EXPIRATION

VMRK $65.00 Call

VMRK261218C00065000

Latest saved OI177Oct 23, 2026
Last change+15vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VMRK $65.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 192960 2026-10-02: 192 OI2026-10-05: 120 OI2026-10-06: 120 OI2026-10-07: 120 OI2026-10-08: 120 OI2026-10-09: 120 OI2026-10-13: 120 OI2026-10-14: 119 OI2026-10-16: 122 OI2026-10-20: 162 OI2026-10-23: 177 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VMRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing177+15
Oct 20, 2026162+40
Oct 16, 2026122+3
Oct 14, 2026119-1
Oct 13, 20261200
Oct 09, 20261200
Oct 08, 20261200
Oct 07, 20261200
Oct 06, 20261200
Oct 05, 2026120-72
Oct 02, 2026192No prior observation