OITracker Cboe delayed data

Contract OI history

Back to VST

Dec 18, 2026 EXPIRATION

VST $135.00 Put

VST261218P00135000

Latest saved OI10,574Oct 23, 2026
Last change+472vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $135.00 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. 10,5745,2870 2026-10-02: 884 OI2026-10-05: 912 OI2026-10-06: 3,615 OI2026-10-07: 3,552 OI2026-10-08: 3,552 OI2026-10-09: 3,874 OI2026-10-14: 3,859 OI2026-10-15: 3,866 OI2026-10-16: 9,717 OI2026-10-21: 10,102 OI2026-10-23: 10,574 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, 202610,574+472
Oct 21, 2026Viewing10,102+385
Oct 16, 20269,717+5,851
Oct 15, 20263,866+7
Oct 14, 20263,859-15
Oct 09, 20263,874+322
Oct 08, 20263,5520
Oct 07, 20263,552-63
Oct 06, 20263,615+2,703
Oct 05, 2026912+28
Oct 02, 2026884No prior observation