OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DEFT $2.00 Call

DEFT280121C00002000

Latest saved OI2,274Oct 23, 2026
Last change-5vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DEFT $2.00 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. 2,2921,1460 2026-10-09: 2,112 OI2026-10-13: 2,292 OI2026-10-15: 2,272 OI2026-10-16: 2,273 OI2026-10-20: 2,279 OI2026-10-23: 2,274 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, 2026Viewing2,274-5
Oct 20, 20262,279+6
Oct 16, 20262,273+1
Oct 15, 20262,272-20
Oct 13, 20262,292+180
Oct 09, 20262,112No prior observation