OITracker Cboe delayed data

Contract OI history

Back to CAT

Dec 18, 2026 EXPIRATION

CAT $790.00 Put

CAT261218P00790000

Latest saved OI204Oct 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 $790.00 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. 2071030 2026-10-02: 186 OI2026-10-05: 187 OI2026-10-06: 192 OI2026-10-07: 196 OI2026-10-08: 196 OI2026-10-09: 203 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 207 OI2026-10-16: 206 OI2026-10-21: 206 OI2026-10-23: 204 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, 2026Viewing204-2
Oct 21, 20262060
Oct 16, 2026206-1
Oct 15, 2026207+1
Oct 14, 20262060
Oct 13, 2026206+3
Oct 09, 2026203+7
Oct 08, 20261960
Oct 07, 2026196+4
Oct 06, 2026192+5
Oct 05, 2026187+1
Oct 02, 2026186No prior observation