OITracker Cboe delayed data

Contract OI history

Back to VMRK

Nov 20, 2026 EXPIRATION

VMRK $65.00 Call

VMRK261120C00065000

Latest saved OI1,335Oct 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. 1,3356670 2026-10-02: 1,091 OI2026-10-05: 1,091 OI2026-10-06: 1,189 OI2026-10-07: 1,190 OI2026-10-08: 1,190 OI2026-10-09: 1,190 OI2026-10-13: 1,228 OI2026-10-14: 1,234 OI2026-10-16: 1,310 OI2026-10-20: 1,320 OI2026-10-23: 1,335 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, 20261,335+15
Oct 20, 2026Viewing1,320+10
Oct 16, 20261,310+76
Oct 14, 20261,234+6
Oct 13, 20261,228+38
Oct 09, 20261,1900
Oct 08, 20261,1900
Oct 07, 20261,190+1
Oct 06, 20261,189+98
Oct 05, 20261,0910
Oct 02, 20261,091No prior observation