OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $430.00 Put

CAT270115P00430000

Latest saved OI1,312Oct 23, 2026
Last change-56vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $430.00 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. 1,6338160 2026-10-02: 1,496 OI2026-10-05: 1,496 OI2026-10-06: 1,496 OI2026-10-07: 1,521 OI2026-10-08: 1,521 OI2026-10-09: 1,521 OI2026-10-13: 1,633 OI2026-10-14: 1,633 OI2026-10-15: 1,633 OI2026-10-16: 1,367 OI2026-10-21: 1,368 OI2026-10-23: 1,312 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, 2026Viewing1,312-56
Oct 21, 20261,368+1
Oct 16, 20261,367-266
Oct 15, 20261,6330
Oct 14, 20261,6330
Oct 13, 20261,633+112
Oct 09, 20261,5210
Oct 08, 20261,5210
Oct 07, 20261,521+25
Oct 06, 20261,4960
Oct 05, 20261,4960
Oct 02, 20261,496No prior observation