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Contract OI history

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Jan 21, 2028 EXPIRATION

DEFT $500.00 Call

DEFT280121C00000500

Latest saved OI4,696Oct 23, 2026
Last change+4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DEFT $500.00 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. 4,7212,3600 2026-10-09: 4,721 OI2026-10-13: 4,720 OI2026-10-15: 4,692 OI2026-10-16: 4,692 OI2026-10-20: 4,692 OI2026-10-23: 4,696 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, 2026Viewing4,696+4
Oct 20, 20264,6920
Oct 16, 20264,6920
Oct 15, 20264,692-28
Oct 13, 20264,720-1
Oct 09, 20264,721No prior observation