OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNIT $5.00 Call

UNIT280121C00005000

Latest saved OI31Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
UNIT $5.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 31150 2026-10-08: 7 OI2026-10-09: 7 OI2026-10-13: 25 OI2026-10-14: 22 OI2026-10-16: 22 OI2026-10-21: 22 OI2026-10-23: 31 OI Oct 08, 2026Oct 23, 2026

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

UNIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing31+9
Oct 21, 2026220
Oct 16, 2026220
Oct 14, 202622-3
Oct 13, 202625+18
Oct 09, 202670
Oct 08, 20267No prior observation