OITracker Cboe delayed data

Contract OI history

Back to CAT

Oct 23, 2026 EXPIRATION

CAT $680.00 Put

CAT261023P00680000

Latest saved OI712Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $680.00 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. 7123560 2026-10-02: 23 OI2026-10-05: 23 OI2026-10-06: 18 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 21 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-15: 28 OI2026-10-16: 574 OI2026-10-21: 705 OI2026-10-23: 712 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, 2026Viewing712+7
Oct 21, 2026705+131
Oct 16, 2026574+546
Oct 15, 202628+4
Oct 14, 2026240
Oct 13, 202624+3
Oct 09, 202621+3
Oct 08, 2026180
Oct 07, 2026180
Oct 06, 202618-5
Oct 05, 2026230
Oct 02, 202623No prior observation