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Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $840.00 Call

CAT270115C00840000

Latest saved OI345Oct 23, 2026
Last change+11vs 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. 3451720 2026-10-02: 323 OI2026-10-05: 322 OI2026-10-06: 321 OI2026-10-07: 319 OI2026-10-08: 319 OI2026-10-09: 317 OI2026-10-13: 321 OI2026-10-14: 321 OI2026-10-15: 322 OI2026-10-16: 322 OI2026-10-21: 334 OI2026-10-23: 345 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, 2026Viewing345+11
Oct 21, 2026334+12
Oct 16, 20263220
Oct 15, 2026322+1
Oct 14, 20263210
Oct 13, 2026321+4
Oct 09, 2026317-2
Oct 08, 20263190
Oct 07, 2026319-2
Oct 06, 2026321-1
Oct 05, 2026322-1
Oct 02, 2026323No prior observation