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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $820.00 Call

CAT261218C00820000

Latest saved OI331Oct 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. 3311650 2026-10-02: 233 OI2026-10-05: 232 OI2026-10-06: 230 OI2026-10-07: 258 OI2026-10-08: 258 OI2026-10-09: 270 OI2026-10-13: 304 OI2026-10-14: 304 OI2026-10-15: 282 OI2026-10-16: 325 OI2026-10-21: 329 OI2026-10-23: 331 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, 2026Viewing331+2
Oct 21, 2026329+4
Oct 16, 2026325+43
Oct 15, 2026282-22
Oct 14, 20263040
Oct 13, 2026304+34
Oct 09, 2026270+12
Oct 08, 20262580
Oct 07, 2026258+28
Oct 06, 2026230-2
Oct 05, 2026232-1
Oct 02, 2026233No prior observation