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Contract OI history

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Feb 19, 2027 EXPIRATION

CAT $720.00 Put

CAT270219P00720000

Latest saved OI172Oct 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 $720.00 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. 183910 2026-10-02: 136 OI2026-10-05: 134 OI2026-10-06: 137 OI2026-10-07: 137 OI2026-10-08: 137 OI2026-10-09: 165 OI2026-10-13: 183 OI2026-10-14: 183 OI2026-10-15: 171 OI2026-10-16: 162 OI2026-10-21: 171 OI2026-10-23: 172 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, 2026Viewing172+1
Oct 21, 2026171+9
Oct 16, 2026162-9
Oct 15, 2026171-12
Oct 14, 20261830
Oct 13, 2026183+18
Oct 09, 2026165+28
Oct 08, 20261370
Oct 07, 20261370
Oct 06, 2026137+3
Oct 05, 2026134-2
Oct 02, 2026136No prior observation