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Contract OI history

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Jan 15, 2027 EXPIRATION

DUOL $660.00 Call

DUOL270115C00660000

Latest saved OI183Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DUOL $660.00 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. 183910 2026-10-09: 143 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 175 OI2026-10-16: 175 OI2026-10-21: 181 OI2026-10-23: 183 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, 2026Viewing183+2
Oct 21, 2026181+6
Oct 16, 20261750
Oct 15, 20261750
Oct 14, 20261750
Oct 13, 2026175+32
Oct 09, 2026143No prior observation