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Contract OI history

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Nov 20, 2026 EXPIRATION

CDNS $325.00 Put

CDNS261120P00325000

Latest saved OI158Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CDNS $325.00 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. 159790 2026-10-09: 159 OI2026-10-13: 159 OI2026-10-14: 159 OI2026-10-15: 159 OI2026-10-16: 158 OI2026-10-21: 158 OI2026-10-23: 158 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CDNS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1580
Oct 21, 20261580
Oct 16, 2026158-1
Oct 15, 20261590
Oct 14, 20261590
Oct 13, 20261590
Oct 09, 2026159No prior observation