OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

VSTS $20.00 Call

VSTS270219C00020000

Latest saved OI111Oct 23, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VSTS $20.00 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. 119590 2026-10-02: 66 OI2026-10-05: 66 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 114 OI2026-10-13: 119 OI2026-10-14: 110 OI2026-10-16: 110 OI2026-10-20: 110 OI2026-10-23: 111 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, 2026Viewing111+1
Oct 20, 20261100
Oct 16, 20261100
Oct 14, 2026110-9
Oct 13, 2026119+5
Oct 09, 2026114+43
Oct 08, 2026710
Oct 07, 202671+5
Oct 05, 2026660
Oct 02, 202666No prior observation