OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

CAT $700.00 Put

CAT280121P00700000

Latest saved OI576Oct 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 $700.00 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. 5782890 2026-10-02: 536 OI2026-10-05: 536 OI2026-10-06: 536 OI2026-10-07: 538 OI2026-10-08: 538 OI2026-10-09: 538 OI2026-10-13: 578 OI2026-10-14: 578 OI2026-10-15: 577 OI2026-10-16: 577 OI2026-10-21: 576 OI2026-10-23: 576 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, 2026Viewing5760
Oct 21, 2026576-1
Oct 16, 20265770
Oct 15, 2026577-1
Oct 14, 20265780
Oct 13, 2026578+40
Oct 09, 20265380
Oct 08, 20265380
Oct 07, 2026538+2
Oct 06, 20265360
Oct 05, 20265360
Oct 02, 2026536No prior observation