OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $1020.00 Put

CAT270115P01020000

Latest saved OI68Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1020.00 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. 68340 2026-10-02: 30 OI2026-10-05: 30 OI2026-10-06: 30 OI2026-10-07: 30 OI2026-10-08: 30 OI2026-10-09: 29 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-15: 68 OI2026-10-16: 68 OI2026-10-21: 68 OI2026-10-23: 68 OI Oct 02, 2026Oct 23, 2026

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

CAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing680
Oct 21, 2026680
Oct 16, 2026680
Oct 15, 202668+39
Oct 14, 2026290
Oct 13, 2026290
Oct 09, 202629-1
Oct 08, 2026300
Oct 07, 2026300
Oct 06, 2026300
Oct 05, 2026300
Oct 02, 202630No prior observation