OITracker Cboe delayed data

Contract OI history

Back to VST

Jan 15, 2027 EXPIRATION

VST $240.00 Call

VST270115C00240000

Latest saved OI241Oct 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
VST $240.00 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. 2561280 2026-10-02: 200 OI2026-10-05: 201 OI2026-10-06: 211 OI2026-10-07: 211 OI2026-10-08: 211 OI2026-10-09: 238 OI2026-10-14: 253 OI2026-10-15: 253 OI2026-10-16: 254 OI2026-10-21: 256 OI2026-10-23: 241 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, 2026241-15
Oct 21, 2026Viewing256+2
Oct 16, 2026254+1
Oct 15, 20262530
Oct 14, 2026253+15
Oct 09, 2026238+27
Oct 08, 20262110
Oct 07, 20262110
Oct 06, 2026211+10
Oct 05, 2026201+1
Oct 02, 2026200No prior observation