OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

VOR $20.00 Call

VOR270521C00020000

Latest saved OI2,018Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
VOR $20.00 call open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 2,0201,0100 2026-10-07: 2,020 OI2026-10-09: 2,019 OI2026-10-13: 2,015 OI2026-10-14: 2,015 OI2026-10-16: 2,014 OI2026-10-20: 2,015 OI2026-10-23: 2,018 OI Oct 07, 2026Oct 23, 2026

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

VOR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,018+3
Oct 20, 20262,015+1
Oct 16, 20262,014-1
Oct 14, 20262,0150
Oct 13, 20262,015-4
Oct 09, 20262,019-1
Oct 07, 20262,020No prior observation