OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

VSTS $17.50 Call

VSTS270219C00017500

Latest saved OI92Oct 23, 2026
Last change-8vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VSTS $17.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 100500 2026-10-02: 97 OI2026-10-05: 97 OI2026-10-07: 97 OI2026-10-08: 97 OI2026-10-09: 97 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-16: 100 OI2026-10-20: 100 OI2026-10-23: 92 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VSTS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing92-8
Oct 20, 20261000
Oct 16, 20261000
Oct 14, 20261000
Oct 13, 2026100+3
Oct 09, 2026970
Oct 08, 2026970
Oct 07, 2026970
Oct 05, 2026970
Oct 02, 202697No prior observation