OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $300.00 Put

CAT270115P00300000

Latest saved OI712Oct 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 $300.00 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. 7123560 2026-10-02: 712 OI2026-10-05: 712 OI2026-10-06: 712 OI2026-10-07: 712 OI2026-10-08: 712 OI2026-10-09: 712 OI2026-10-13: 712 OI2026-10-14: 712 OI2026-10-15: 712 OI2026-10-16: 712 OI2026-10-21: 712 OI2026-10-23: 712 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, 2026Viewing7120
Oct 21, 20267120
Oct 16, 20267120
Oct 15, 20267120
Oct 14, 20267120
Oct 13, 20267120
Oct 09, 20267120
Oct 08, 20267120
Oct 07, 20267120
Oct 06, 20267120
Oct 05, 20267120
Oct 02, 2026712No prior observation