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Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $820.00 Call

CAT270115C00820000

Latest saved OI749Oct 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 $820.00 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. 7493740 2026-10-02: 601 OI2026-10-05: 604 OI2026-10-06: 604 OI2026-10-07: 617 OI2026-10-08: 617 OI2026-10-09: 620 OI2026-10-13: 654 OI2026-10-14: 654 OI2026-10-15: 650 OI2026-10-16: 744 OI2026-10-21: 747 OI2026-10-23: 749 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, 2026Viewing749+2
Oct 21, 2026747+3
Oct 16, 2026744+94
Oct 15, 2026650-4
Oct 14, 20266540
Oct 13, 2026654+34
Oct 09, 2026620+3
Oct 08, 20266170
Oct 07, 2026617+13
Oct 06, 20266040
Oct 05, 2026604+3
Oct 02, 2026601No prior observation