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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $940.00 Put

CAT261218P00940000

Latest saved OI178Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $940.00 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. 182910 2026-10-02: 167 OI2026-10-05: 167 OI2026-10-06: 147 OI2026-10-07: 147 OI2026-10-08: 147 OI2026-10-09: 148 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 182 OI2026-10-16: 181 OI2026-10-21: 181 OI2026-10-23: 178 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, 2026Viewing178-3
Oct 21, 20261810
Oct 16, 2026181-1
Oct 15, 2026182+34
Oct 14, 20261480
Oct 13, 20261480
Oct 09, 2026148+1
Oct 08, 20261470
Oct 07, 20261470
Oct 06, 2026147-20
Oct 05, 20261670
Oct 02, 2026167No prior observation