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Contract OI history

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Nov 20, 2026 EXPIRATION

DEFT $500.00 Call

DEFT261120C00000500

Latest saved OI1,296Oct 23, 2026
Last change+514vs 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. 1,2966480 2026-10-09: 569 OI2026-10-13: 569 OI2026-10-15: 692 OI2026-10-16: 692 OI2026-10-20: 782 OI2026-10-23: 1,296 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, 2026Viewing1,296+514
Oct 20, 2026782+90
Oct 16, 20266920
Oct 15, 2026692+123
Oct 13, 20265690
Oct 09, 2026569No prior observation