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Contract OI history

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Jan 21, 2028 EXPIRATION

DEFT $1.50 Call

DEFT280121C00001500

Latest saved OI3,631Oct 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 $1.50 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. 3,6331,8160 2026-10-09: 3,633 OI2026-10-13: 3,631 OI2026-10-15: 3,631 OI2026-10-16: 3,631 OI2026-10-20: 3,631 OI2026-10-23: 3,631 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, 2026Viewing3,6310
Oct 20, 20263,6310
Oct 16, 20263,6310
Oct 15, 20263,6310
Oct 13, 20263,631-2
Oct 09, 20263,633No prior observation