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Contract OI history

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Jun 17, 2027 EXPIRATION

CAT $580.00 Put

CAT270617P00580000

Latest saved OI148Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $580.00 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. 148740 2026-10-02: 131 OI2026-10-05: 131 OI2026-10-06: 131 OI2026-10-07: 131 OI2026-10-08: 131 OI2026-10-09: 142 OI2026-10-13: 142 OI2026-10-14: 142 OI2026-10-15: 142 OI2026-10-16: 142 OI2026-10-21: 146 OI2026-10-23: 148 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, 2026Viewing148+2
Oct 21, 2026146+4
Oct 16, 20261420
Oct 15, 20261420
Oct 14, 20261420
Oct 13, 20261420
Oct 09, 2026142+11
Oct 08, 20261310
Oct 07, 20261310
Oct 06, 20261310
Oct 05, 20261310
Oct 02, 2026131No prior observation