OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $660.00 Put

CAT270115P00660000

Latest saved OI706Oct 23, 2026
Last change+33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $660.00 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. 7063530 2026-10-02: 429 OI2026-10-05: 429 OI2026-10-06: 418 OI2026-10-07: 440 OI2026-10-08: 440 OI2026-10-09: 458 OI2026-10-13: 501 OI2026-10-14: 501 OI2026-10-15: 511 OI2026-10-16: 664 OI2026-10-21: 673 OI2026-10-23: 706 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, 2026Viewing706+33
Oct 21, 2026673+9
Oct 16, 2026664+153
Oct 15, 2026511+10
Oct 14, 20265010
Oct 13, 2026501+43
Oct 09, 2026458+18
Oct 08, 20264400
Oct 07, 2026440+22
Oct 06, 2026418-11
Oct 05, 20264290
Oct 02, 2026429No prior observation