OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

CAT $720.00 Put

CAT280121P00720000

Latest saved OI446Oct 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 $720.00 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. 4462230 2026-10-02: 435 OI2026-10-05: 435 OI2026-10-06: 435 OI2026-10-07: 438 OI2026-10-08: 438 OI2026-10-09: 440 OI2026-10-13: 440 OI2026-10-14: 440 OI2026-10-15: 440 OI2026-10-16: 444 OI2026-10-21: 446 OI2026-10-23: 446 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, 2026Viewing4460
Oct 21, 2026446+2
Oct 16, 2026444+4
Oct 15, 20264400
Oct 14, 20264400
Oct 13, 20264400
Oct 09, 2026440+2
Oct 08, 20264380
Oct 07, 2026438+3
Oct 06, 20264350
Oct 05, 20264350
Oct 02, 2026435No prior observation