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Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $500.00 Call

CAT270115C00500000

Latest saved OI204Oct 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 $500.00 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. 2181090 2026-10-02: 218 OI2026-10-05: 218 OI2026-10-06: 218 OI2026-10-07: 218 OI2026-10-08: 218 OI2026-10-09: 217 OI2026-10-13: 217 OI2026-10-14: 217 OI2026-10-15: 215 OI2026-10-16: 215 OI2026-10-21: 215 OI2026-10-23: 204 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, 2026Viewing204-11
Oct 21, 20262150
Oct 16, 20262150
Oct 15, 2026215-2
Oct 14, 20262170
Oct 13, 20262170
Oct 09, 2026217-1
Oct 08, 20262180
Oct 07, 20262180
Oct 06, 20262180
Oct 05, 20262180
Oct 02, 2026218No prior observation