OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

CAT $690.00 Put

CAT261023P00690000

Latest saved OI401Oct 23, 2026
Last change+191vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $690.00 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. 4012000 2026-10-02: 143 OI2026-10-05: 105 OI2026-10-06: 116 OI2026-10-07: 117 OI2026-10-08: 117 OI2026-10-09: 114 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 115 OI2026-10-16: 143 OI2026-10-21: 210 OI2026-10-23: 401 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, 2026Viewing401+191
Oct 21, 2026210+67
Oct 16, 2026143+28
Oct 15, 2026115+4
Oct 14, 20261110
Oct 13, 2026111-3
Oct 09, 2026114-3
Oct 08, 20261170
Oct 07, 2026117+1
Oct 06, 2026116+11
Oct 05, 2026105-38
Oct 02, 2026143No prior observation