OITracker Cboe delayed data

Contract OI history

Back to VST

Jan 15, 2027 EXPIRATION

VST $220.00 Call

VST270115C00220000

Latest saved OI813Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $220.00 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. 8144070 2026-10-02: 721 OI2026-10-05: 721 OI2026-10-06: 766 OI2026-10-07: 810 OI2026-10-08: 810 OI2026-10-09: 811 OI2026-10-14: 811 OI2026-10-15: 810 OI2026-10-16: 814 OI2026-10-21: 814 OI2026-10-23: 813 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, 2026813-1
Oct 21, 2026Viewing8140
Oct 16, 2026814+4
Oct 15, 2026810-1
Oct 14, 20268110
Oct 09, 2026811+1
Oct 08, 20268100
Oct 07, 2026810+44
Oct 06, 2026766+45
Oct 05, 20267210
Oct 02, 2026721No prior observation