OITracker Cboe delayed data

Contract OI history

Back to CAT

Dec 18, 2026 EXPIRATION

CAT $1500.00 Call

CAT261218C01500000

Latest saved OI551Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1500.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5512750 2026-10-02: 438 OI2026-10-05: 438 OI2026-10-06: 546 OI2026-10-07: 546 OI2026-10-08: 546 OI2026-10-09: 546 OI2026-10-13: 549 OI2026-10-14: 549 OI2026-10-15: 549 OI2026-10-16: 549 OI2026-10-21: 551 OI2026-10-23: 551 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, 2026Viewing5510
Oct 21, 2026551+2
Oct 16, 20265490
Oct 15, 20265490
Oct 14, 20265490
Oct 13, 2026549+3
Oct 09, 20265460
Oct 08, 20265460
Oct 07, 20265460
Oct 06, 2026546+108
Oct 05, 20264380
Oct 02, 2026438No prior observation