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Contract OI history

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Dec 17, 2027 EXPIRATION

CAT $740.00 Put

CAT271217P00740000

Latest saved OI167Oct 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. 170850 2026-10-02: 170 OI2026-10-05: 170 OI2026-10-06: 170 OI2026-10-07: 165 OI2026-10-08: 165 OI2026-10-09: 165 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-15: 165 OI2026-10-16: 165 OI2026-10-21: 167 OI2026-10-23: 167 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, 2026Viewing1670
Oct 21, 2026167+2
Oct 16, 20261650
Oct 15, 20261650
Oct 14, 20261650
Oct 13, 20261650
Oct 09, 20261650
Oct 08, 20261650
Oct 07, 2026165-5
Oct 06, 20261700
Oct 05, 20261700
Oct 02, 2026170No prior observation