OITracker Cboe delayed data

Contract OI history

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Jun 16, 2028 EXPIRATION

CAT $780.00 Put

CAT280616P00780000

Latest saved OI417Oct 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 $780.00 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. 4172080 2026-10-02: 395 OI2026-10-05: 395 OI2026-10-06: 396 OI2026-10-07: 398 OI2026-10-08: 398 OI2026-10-09: 405 OI2026-10-13: 417 OI2026-10-14: 417 OI2026-10-15: 417 OI2026-10-16: 417 OI2026-10-21: 417 OI2026-10-23: 417 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, 2026Viewing4170
Oct 21, 20264170
Oct 16, 20264170
Oct 15, 20264170
Oct 14, 20264170
Oct 13, 2026417+12
Oct 09, 2026405+7
Oct 08, 20263980
Oct 07, 2026398+2
Oct 06, 2026396+1
Oct 05, 20263950
Oct 02, 2026395No prior observation