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Contract OI history

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Dec 18, 2026 EXPIRATION

CDNS $310.00 Put

CDNS261218P00310000

Latest saved OI397Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CDNS $310.00 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. 3971980 2026-10-09: 73 OI2026-10-13: 74 OI2026-10-14: 74 OI2026-10-15: 395 OI2026-10-16: 395 OI2026-10-21: 396 OI2026-10-23: 397 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, 2026Viewing397+1
Oct 21, 2026396+1
Oct 16, 20263950
Oct 15, 2026395+321
Oct 14, 2026740
Oct 13, 202674+1
Oct 09, 202673No prior observation