OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CNC $55.00 Put

CNC261120P00055000

Latest saved OI183Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNC $55.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 184920 2026-10-02: 101 OI2026-10-05: 102 OI2026-10-06: 127 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 152 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-15: 184 OI2026-10-16: 184 OI2026-10-21: 183 OI2026-10-23: 183 OI Oct 02, 2026Oct 23, 2026

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

CNC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1830
Oct 21, 2026183-1
Oct 16, 20261840
Oct 15, 2026184+20
Oct 14, 20261640
Oct 13, 2026164+12
Oct 09, 2026152+18
Oct 08, 20261340
Oct 07, 2026134+7
Oct 06, 2026127+25
Oct 05, 2026102+1
Oct 02, 2026101No prior observation