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Contract OI history

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Jan 21, 2028 EXPIRATION

DEFT $1000.00 Call

DEFT280121C00001000

Latest saved OI8,729Oct 23, 2026
Last change-10vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DEFT $1000.00 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. 8,7894,3940 2026-10-09: 8,789 OI2026-10-13: 8,788 OI2026-10-15: 8,740 OI2026-10-16: 8,739 OI2026-10-20: 8,739 OI2026-10-23: 8,729 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, 2026Viewing8,729-10
Oct 20, 20268,7390
Oct 16, 20268,739-1
Oct 15, 20268,740-48
Oct 13, 20268,788-1
Oct 09, 20268,789No prior observation