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Contract OI history

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Jan 15, 2027 EXPIRATION

DUOL $140.00 Put

DUOL270115P00140000

Latest saved OI165Oct 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 $140.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 168840 2026-10-09: 162 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-15: 166 OI2026-10-16: 168 OI2026-10-21: 164 OI2026-10-23: 165 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, 2026Viewing165+1
Oct 21, 2026164-4
Oct 16, 2026168+2
Oct 15, 2026166+2
Oct 14, 20261640
Oct 13, 2026164+2
Oct 09, 2026162No prior observation