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Contract OI history

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Jan 15, 2027 EXPIRATION

DUOL $780.00 Call

DUOL270115C00780000

Latest saved OI800Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DUOL $780.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8004000 2026-10-09: 756 OI2026-10-13: 764 OI2026-10-14: 764 OI2026-10-15: 764 OI2026-10-16: 764 OI2026-10-21: 782 OI2026-10-23: 800 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

DUOL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing800+18
Oct 21, 2026782+18
Oct 16, 20267640
Oct 15, 20267640
Oct 14, 20267640
Oct 13, 2026764+8
Oct 09, 2026756No prior observation