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Contract OI history

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Jan 15, 2027 EXPIRATION

DUOL $170.00 Put

DUOL270115P00170000

Latest saved OI127Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DUOL $170.00 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. 137680 2026-10-09: 101 OI2026-10-13: 97 OI2026-10-14: 97 OI2026-10-15: 97 OI2026-10-16: 137 OI2026-10-21: 127 OI2026-10-23: 127 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, 2026Viewing1270
Oct 21, 2026127-10
Oct 16, 2026137+40
Oct 15, 2026970
Oct 14, 2026970
Oct 13, 202697-4
Oct 09, 2026101No prior observation