OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CDNS $300.00 Put

CDNS261218P00300000

Latest saved OI412Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CDNS $300.00 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. 4122060 2026-10-09: 360 OI2026-10-13: 359 OI2026-10-14: 359 OI2026-10-15: 358 OI2026-10-16: 400 OI2026-10-21: 402 OI2026-10-23: 412 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, 2026Viewing412+10
Oct 21, 2026402+2
Oct 16, 2026400+42
Oct 15, 2026358-1
Oct 14, 20263590
Oct 13, 2026359-1
Oct 09, 2026360No prior observation