OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

CAT $720.00 Put

CAT261023P00720000

Latest saved OI425Oct 23, 2026
Last change+284vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $720.00 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. 4252120 2026-10-02: 88 OI2026-10-05: 77 OI2026-10-06: 66 OI2026-10-07: 66 OI2026-10-08: 66 OI2026-10-09: 77 OI2026-10-13: 97 OI2026-10-14: 97 OI2026-10-15: 100 OI2026-10-16: 102 OI2026-10-21: 141 OI2026-10-23: 425 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, 2026Viewing425+284
Oct 21, 2026141+39
Oct 16, 2026102+2
Oct 15, 2026100+3
Oct 14, 2026970
Oct 13, 202697+20
Oct 09, 202677+11
Oct 08, 2026660
Oct 07, 2026660
Oct 06, 202666-11
Oct 05, 202677-11
Oct 02, 202688No prior observation