OITracker Cboe delayed data

Contract OI history

Back to VST

Jan 21, 2028 EXPIRATION

VST $155.00 Call

VST280121C00155000

Latest saved OI230Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $155.00 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. 2351170 2026-10-02: 231 OI2026-10-05: 232 OI2026-10-06: 235 OI2026-10-07: 234 OI2026-10-08: 234 OI2026-10-09: 233 OI2026-10-14: 233 OI2026-10-15: 232 OI2026-10-16: 232 OI2026-10-21: 232 OI2026-10-23: 230 OI Oct 02, 2026Oct 23, 2026

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

VST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing230-2
Oct 21, 20262320
Oct 16, 20262320
Oct 15, 2026232-1
Oct 14, 20262330
Oct 09, 2026233-1
Oct 08, 20262340
Oct 07, 2026234-1
Oct 06, 2026235+3
Oct 05, 2026232+1
Oct 02, 2026231No prior observation