OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $680.00 Put

CAT270115P00680000

Latest saved OI469Oct 23, 2026
Last change+26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $680.00 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. 4692340 2026-10-02: 232 OI2026-10-05: 233 OI2026-10-06: 233 OI2026-10-07: 247 OI2026-10-08: 247 OI2026-10-09: 237 OI2026-10-13: 294 OI2026-10-14: 294 OI2026-10-15: 292 OI2026-10-16: 386 OI2026-10-21: 443 OI2026-10-23: 469 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, 2026Viewing469+26
Oct 21, 2026443+57
Oct 16, 2026386+94
Oct 15, 2026292-2
Oct 14, 20262940
Oct 13, 2026294+57
Oct 09, 2026237-10
Oct 08, 20262470
Oct 07, 2026247+14
Oct 06, 20262330
Oct 05, 2026233+1
Oct 02, 2026232No prior observation