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Contract OI history

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Jun 17, 2027 EXPIRATION

CAT $1000.00 Call

CAT270617C01000000

Latest saved OI489Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $1000.00 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. 5112550 2026-10-02: 431 OI2026-10-05: 436 OI2026-10-06: 445 OI2026-10-07: 493 OI2026-10-08: 493 OI2026-10-09: 498 OI2026-10-13: 511 OI2026-10-14: 511 OI2026-10-15: 510 OI2026-10-16: 505 OI2026-10-21: 490 OI2026-10-23: 489 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, 2026Viewing489-1
Oct 21, 2026490-15
Oct 16, 2026505-5
Oct 15, 2026510-1
Oct 14, 20265110
Oct 13, 2026511+13
Oct 09, 2026498+5
Oct 08, 20264930
Oct 07, 2026493+48
Oct 06, 2026445+9
Oct 05, 2026436+5
Oct 02, 2026431No prior observation