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Contract OI history

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Jan 15, 2027 EXPIRATION

DEFT $500.00 Call

DEFT270115C00000500

Latest saved OI2,883Oct 23, 2026
Last change+23vs 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. 2,8831,4410 2026-10-09: 2,860 OI2026-10-13: 2,860 OI2026-10-15: 2,864 OI2026-10-16: 2,860 OI2026-10-20: 2,860 OI2026-10-23: 2,883 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, 2026Viewing2,883+23
Oct 20, 20262,8600
Oct 16, 20262,860-4
Oct 15, 20262,864+4
Oct 13, 20262,8600
Oct 09, 20262,860No prior observation