OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

CC $9.00 Put

CC270416P00009000

Latest saved OI31Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CC $9.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 31150 2026-10-02: 28 OI2026-10-05: 29 OI2026-10-06: 29 OI2026-10-07: 29 OI2026-10-08: 29 OI2026-10-09: 29 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-16: 30 OI2026-10-20: 30 OI2026-10-23: 31 OI Oct 02, 2026Oct 23, 2026

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

CC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing31+1
Oct 20, 2026300
Oct 16, 202630+1
Oct 14, 2026290
Oct 13, 2026290
Oct 09, 2026290
Oct 08, 2026290
Oct 07, 2026290
Oct 06, 2026290
Oct 05, 202629+1
Oct 02, 202628No prior observation