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Contract OI history

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Jan 21, 2028 EXPIRATION

CAT $450.00 Put

CAT280121P00450000

Latest saved OI287Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $450.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2871430 2026-10-02: 219 OI2026-10-05: 236 OI2026-10-06: 248 OI2026-10-07: 260 OI2026-10-08: 260 OI2026-10-09: 266 OI2026-10-13: 266 OI2026-10-14: 266 OI2026-10-15: 276 OI2026-10-16: 276 OI2026-10-21: 277 OI2026-10-23: 287 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, 2026Viewing287+10
Oct 21, 2026277+1
Oct 16, 20262760
Oct 15, 2026276+10
Oct 14, 20262660
Oct 13, 20262660
Oct 09, 2026266+6
Oct 08, 20262600
Oct 07, 2026260+12
Oct 06, 2026248+12
Oct 05, 2026236+17
Oct 02, 2026219No prior observation