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Contract OI history

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Nov 20, 2026 EXPIRATION

CDNS $310.00 Put

CDNS261120P00310000

Latest saved OI141Oct 23, 2026
Last change+4vs 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. 141700 2026-10-09: 135 OI2026-10-13: 136 OI2026-10-14: 136 OI2026-10-15: 136 OI2026-10-16: 136 OI2026-10-21: 137 OI2026-10-23: 141 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, 2026Viewing141+4
Oct 21, 2026137+1
Oct 16, 20261360
Oct 15, 20261360
Oct 14, 20261360
Oct 13, 2026136+1
Oct 09, 2026135No prior observation