OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $580.00 Put

CAT270115P00580000

Latest saved OI396Oct 23, 2026
Last change+54vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $580.00 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. 3961980 2026-10-02: 296 OI2026-10-05: 296 OI2026-10-06: 293 OI2026-10-07: 294 OI2026-10-08: 294 OI2026-10-09: 295 OI2026-10-13: 297 OI2026-10-14: 297 OI2026-10-15: 298 OI2026-10-16: 338 OI2026-10-21: 342 OI2026-10-23: 396 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, 2026Viewing396+54
Oct 21, 2026342+4
Oct 16, 2026338+40
Oct 15, 2026298+1
Oct 14, 20262970
Oct 13, 2026297+2
Oct 09, 2026295+1
Oct 08, 20262940
Oct 07, 2026294+1
Oct 06, 2026293-3
Oct 05, 20262960
Oct 02, 2026296No prior observation