OITracker Cboe delayed data

Contract OI history

Back to VST

Sep 17, 2027 EXPIRATION

VST $170.00 Call

VST270917C00170000

Latest saved OI340Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $170.00 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. 3471730 2026-10-02: 243 OI2026-10-05: 347 OI2026-10-06: 332 OI2026-10-07: 337 OI2026-10-08: 337 OI2026-10-09: 333 OI2026-10-14: 333 OI2026-10-15: 332 OI2026-10-16: 329 OI2026-10-21: 334 OI2026-10-23: 340 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, 2026340+6
Oct 21, 2026Viewing334+5
Oct 16, 2026329-3
Oct 15, 2026332-1
Oct 14, 20263330
Oct 09, 2026333-4
Oct 08, 20263370
Oct 07, 2026337+5
Oct 06, 2026332-15
Oct 05, 2026347+104
Oct 02, 2026243No prior observation