OITracker Cboe delayed data

Contract OI history

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Jun 16, 2028 EXPIRATION

CAT $680.00 Put

CAT280616P00680000

Latest saved OI336Oct 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 $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. 3451720 2026-10-02: 282 OI2026-10-05: 287 OI2026-10-06: 337 OI2026-10-07: 337 OI2026-10-08: 337 OI2026-10-09: 337 OI2026-10-13: 340 OI2026-10-14: 340 OI2026-10-15: 340 OI2026-10-16: 345 OI2026-10-21: 336 OI2026-10-23: 336 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, 2026Viewing3360
Oct 21, 2026336-9
Oct 16, 2026345+5
Oct 15, 20263400
Oct 14, 20263400
Oct 13, 2026340+3
Oct 09, 20263370
Oct 08, 20263370
Oct 07, 20263370
Oct 06, 2026337+50
Oct 05, 2026287+5
Oct 02, 2026282No prior observation