OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $1200.00 Call

CAT270115C01200000

Latest saved OI331Oct 23, 2026
Last change+17vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1200.00 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. 3311650 2026-10-02: 297 OI2026-10-05: 297 OI2026-10-06: 310 OI2026-10-07: 311 OI2026-10-08: 311 OI2026-10-09: 315 OI2026-10-13: 312 OI2026-10-14: 312 OI2026-10-15: 310 OI2026-10-16: 311 OI2026-10-21: 314 OI2026-10-23: 331 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, 2026Viewing331+17
Oct 21, 2026314+3
Oct 16, 2026311+1
Oct 15, 2026310-2
Oct 14, 20263120
Oct 13, 2026312-3
Oct 09, 2026315+4
Oct 08, 20263110
Oct 07, 2026311+1
Oct 06, 2026310+13
Oct 05, 20262970
Oct 02, 2026297No prior observation