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Contract OI history

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Jan 21, 2028 EXPIRATION

DUOL $195.00 Put

DUOL280121P00195000

Latest saved OI513Oct 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 $195.00 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. 5132560 2026-10-09: 13 OI2026-10-13: 513 OI2026-10-14: 513 OI2026-10-15: 513 OI2026-10-16: 513 OI2026-10-21: 513 OI2026-10-23: 513 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, 2026Viewing5130
Oct 21, 20265130
Oct 16, 20265130
Oct 15, 20265130
Oct 14, 20265130
Oct 13, 2026513+500
Oct 09, 202613No prior observation