OITracker Cboe delayed data

Contract OI history

Back to CAT

Dec 18, 2026 EXPIRATION

CAT $590.00 Put

CAT261218P00590000

Latest saved OI142Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $590.00 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. 142710 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 104 OI2026-10-07: 99 OI2026-10-08: 99 OI2026-10-09: 99 OI2026-10-13: 98 OI2026-10-14: 98 OI2026-10-15: 103 OI2026-10-16: 104 OI2026-10-21: 133 OI2026-10-23: 142 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, 2026Viewing142+9
Oct 21, 2026133+29
Oct 16, 2026104+1
Oct 15, 2026103+5
Oct 14, 2026980
Oct 13, 202698-1
Oct 09, 2026990
Oct 08, 2026990
Oct 07, 202699-5
Oct 06, 2026104-3
Oct 05, 20261070
Oct 02, 2026107No prior observation