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Contract OI history

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Jan 21, 2028 EXPIRATION

CAT $740.00 Put

CAT280121P00740000

Latest saved OI329Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $740.00 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. 3291640 2026-10-02: 327 OI2026-10-05: 327 OI2026-10-06: 326 OI2026-10-07: 328 OI2026-10-08: 328 OI2026-10-09: 328 OI2026-10-13: 328 OI2026-10-14: 328 OI2026-10-15: 327 OI2026-10-16: 328 OI2026-10-21: 329 OI2026-10-23: 329 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, 2026Viewing3290
Oct 21, 2026329+1
Oct 16, 2026328+1
Oct 15, 2026327-1
Oct 14, 20263280
Oct 13, 20263280
Oct 09, 20263280
Oct 08, 20263280
Oct 07, 2026328+2
Oct 06, 2026326-1
Oct 05, 20263270
Oct 02, 2026327No prior observation