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Contract OI history

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Jan 21, 2028 EXPIRATION

CDNS $280.00 Put

CDNS280121P00280000

Latest saved OI229Oct 23, 2026
Last change+180vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CDNS $280.00 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. 2291140 2026-10-09: 49 OI2026-10-13: 49 OI2026-10-14: 49 OI2026-10-15: 49 OI2026-10-16: 49 OI2026-10-21: 49 OI2026-10-23: 229 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, 2026Viewing229+180
Oct 21, 2026490
Oct 16, 2026490
Oct 15, 2026490
Oct 14, 2026490
Oct 13, 2026490
Oct 09, 202649No prior observation