OITracker Cboe delayed data

Contract OI history

Back to VST

Jan 21, 2028 EXPIRATION

VST $100.00 Put

VST280121P00100000

Latest saved OI1,763Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $100.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7798890 2026-10-02: 1,757 OI2026-10-05: 1,757 OI2026-10-06: 1,772 OI2026-10-07: 1,771 OI2026-10-08: 1,771 OI2026-10-09: 1,770 OI2026-10-14: 1,772 OI2026-10-15: 1,779 OI2026-10-16: 1,768 OI2026-10-21: 1,760 OI2026-10-23: 1,763 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, 20261,763+3
Oct 21, 2026Viewing1,760-8
Oct 16, 20261,768-11
Oct 15, 20261,779+7
Oct 14, 20261,772+2
Oct 09, 20261,770-1
Oct 08, 20261,7710
Oct 07, 20261,771-1
Oct 06, 20261,772+15
Oct 05, 20261,7570
Oct 02, 20261,757No prior observation