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Contract OI history

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Nov 20, 2026 EXPIRATION

DUOL $180.00 Call

DUOL261120C00180000

Latest saved OI548Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DUOL $180.00 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. 5482740 2026-10-09: 529 OI2026-10-13: 542 OI2026-10-14: 542 OI2026-10-15: 539 OI2026-10-16: 531 OI2026-10-21: 547 OI2026-10-23: 548 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, 2026Viewing548+1
Oct 21, 2026547+16
Oct 16, 2026531-8
Oct 15, 2026539-3
Oct 14, 20265420
Oct 13, 2026542+13
Oct 09, 2026529No prior observation