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Contract OI history

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Feb 19, 2027 EXPIRATION

DEFT $1.50 Call

DEFT270219C00001500

Latest saved OI102Oct 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. 102510 2026-10-09: 100 OI2026-10-13: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-20: 102 OI2026-10-23: 102 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, 2026Viewing1020
Oct 20, 2026102+2
Oct 16, 20261000
Oct 15, 20261000
Oct 13, 20261000
Oct 09, 2026100No prior observation