OITracker Cboe delayed data

Contract OI history

Back to CAT

Oct 23, 2026 EXPIRATION

CAT $735.00 Put

CAT261023P00735000

Latest saved OI356Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $735.00 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. 3561780 2026-10-02: 32 OI2026-10-05: 98 OI2026-10-06: 96 OI2026-10-07: 163 OI2026-10-08: 163 OI2026-10-09: 171 OI2026-10-13: 287 OI2026-10-14: 287 OI2026-10-15: 297 OI2026-10-16: 297 OI2026-10-21: 354 OI2026-10-23: 356 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, 2026Viewing356+2
Oct 21, 2026354+57
Oct 16, 20262970
Oct 15, 2026297+10
Oct 14, 20262870
Oct 13, 2026287+116
Oct 09, 2026171+8
Oct 08, 20261630
Oct 07, 2026163+67
Oct 06, 202696-2
Oct 05, 202698+66
Oct 02, 202632No prior observation