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Contract OI history

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Jan 15, 2027 EXPIRATION

CAT $350.00 Put

CAT270115P00350000

Latest saved OI183Oct 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 $350.00 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. 2011000 2026-10-02: 201 OI2026-10-05: 194 OI2026-10-06: 193 OI2026-10-07: 193 OI2026-10-08: 193 OI2026-10-09: 193 OI2026-10-13: 193 OI2026-10-14: 193 OI2026-10-15: 194 OI2026-10-16: 194 OI2026-10-21: 184 OI2026-10-23: 183 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, 2026Viewing183-1
Oct 21, 2026184-10
Oct 16, 20261940
Oct 15, 2026194+1
Oct 14, 20261930
Oct 13, 20261930
Oct 09, 20261930
Oct 08, 20261930
Oct 07, 20261930
Oct 06, 2026193-1
Oct 05, 2026194-7
Oct 02, 2026201No prior observation