OITracker Cboe delayed data

Contract OI history

Back to VMRK

Dec 18, 2026 EXPIRATION

VMRK $72.50 Call

VMRK261218C00072500

Latest saved OI626Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VMRK $72.50 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. 6263130 2026-10-02: 626 OI2026-10-05: 626 OI2026-10-06: 626 OI2026-10-07: 626 OI2026-10-08: 626 OI2026-10-09: 626 OI2026-10-13: 626 OI2026-10-14: 626 OI2026-10-16: 626 OI2026-10-20: 626 OI2026-10-23: 626 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, 20266260
Oct 20, 2026Viewing6260
Oct 16, 20266260
Oct 14, 20266260
Oct 13, 20266260
Oct 09, 20266260
Oct 08, 20266260
Oct 07, 20266260
Oct 06, 20266260
Oct 05, 20266260
Oct 02, 2026626No prior observation