OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

CAT $610.00 Put

CAT261030P00610000

Latest saved OI166Oct 23, 2026
Last change+136vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $610.00 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. 166830 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-07: 14 OI2026-10-08: 14 OI2026-10-09: 14 OI2026-10-13: 14 OI2026-10-14: 14 OI2026-10-15: 14 OI2026-10-16: 25 OI2026-10-21: 30 OI2026-10-23: 166 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, 2026Viewing166+136
Oct 21, 202630+5
Oct 16, 202625+11
Oct 15, 2026140
Oct 14, 2026140
Oct 13, 2026140
Oct 09, 2026140
Oct 08, 2026140
Oct 07, 202614+5
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation