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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $1020.00 Call

CAT261218C01020000

Latest saved OI168Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1020.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 184920 2026-10-02: 181 OI2026-10-05: 181 OI2026-10-06: 183 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 184 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-15: 171 OI2026-10-16: 167 OI2026-10-21: 167 OI2026-10-23: 168 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, 2026Viewing168+1
Oct 21, 20261670
Oct 16, 2026167-4
Oct 15, 2026171+4
Oct 14, 20261670
Oct 13, 2026167-17
Oct 09, 2026184+1
Oct 08, 20261830
Oct 07, 20261830
Oct 06, 2026183+2
Oct 05, 20261810
Oct 02, 2026181No prior observation