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Contract OI history

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Oct 23, 2026 EXPIRATION

DUOL $155.00 Put

DUOL261023P00155000

Latest saved OI0Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DUOL $155.00 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. 310 2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 3 OI2026-10-23: 0 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, 2026Viewing0-3
Oct 21, 202630
Oct 16, 202630
Oct 15, 20263+1
Oct 14, 202620
Oct 13, 202620
Oct 09, 20262No prior observation