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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $840.00 Call

CAT261120C00840000

Latest saved OI341Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $840.00 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. 3411700 2026-10-02: 173 OI2026-10-05: 177 OI2026-10-06: 260 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 308 OI2026-10-13: 326 OI2026-10-14: 326 OI2026-10-15: 328 OI2026-10-16: 310 OI2026-10-21: 325 OI2026-10-23: 341 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, 2026Viewing341+16
Oct 21, 2026325+15
Oct 16, 2026310-18
Oct 15, 2026328+2
Oct 14, 20263260
Oct 13, 2026326+18
Oct 09, 2026308+57
Oct 08, 20262510
Oct 07, 2026251-9
Oct 06, 2026260+83
Oct 05, 2026177+4
Oct 02, 2026173No prior observation