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Contract OI history

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Nov 20, 2026 EXPIRATION

DUOL $210.00 Call

DUOL261120C00210000

Latest saved OI500Oct 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 $210.00 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. 5012500 2026-10-09: 493 OI2026-10-13: 499 OI2026-10-14: 499 OI2026-10-15: 499 OI2026-10-16: 501 OI2026-10-21: 501 OI2026-10-23: 500 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, 2026Viewing500-1
Oct 21, 20265010
Oct 16, 2026501+2
Oct 15, 20264990
Oct 14, 20264990
Oct 13, 2026499+6
Oct 09, 2026493No prior observation