OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DEFT $4.00 Call

DEFT270115C00004000

Latest saved OI445Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DEFT $4.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4452220 2026-10-09: 445 OI2026-10-13: 445 OI2026-10-15: 445 OI2026-10-16: 445 OI2026-10-20: 445 OI2026-10-23: 445 OI Oct 09, 2026Oct 23, 2026

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

DEFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4450
Oct 20, 20264450
Oct 16, 20264450
Oct 15, 20264450
Oct 13, 20264450
Oct 09, 2026445No prior observation