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Contract OI history

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Jan 21, 2028 EXPIRATION

DUOL $90.00 Put

DUOL280121P00090000

Latest saved OI543Oct 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 $90.00 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. 5432710 2026-10-09: 540 OI2026-10-13: 542 OI2026-10-14: 542 OI2026-10-15: 542 OI2026-10-16: 542 OI2026-10-21: 543 OI2026-10-23: 543 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, 2026Viewing5430
Oct 21, 2026543+1
Oct 16, 20265420
Oct 15, 20265420
Oct 14, 20265420
Oct 13, 2026542+2
Oct 09, 2026540No prior observation