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Contract OI history

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Mar 19, 2027 EXPIRATION

CAT $740.00 Put

CAT270319P00740000

Latest saved OI207Oct 23, 2026
Last change-3vs 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. 2101050 2026-10-02: 180 OI2026-10-05: 180 OI2026-10-06: 183 OI2026-10-07: 184 OI2026-10-08: 184 OI2026-10-09: 185 OI2026-10-13: 209 OI2026-10-14: 209 OI2026-10-15: 188 OI2026-10-16: 189 OI2026-10-21: 210 OI2026-10-23: 207 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, 2026Viewing207-3
Oct 21, 2026210+21
Oct 16, 2026189+1
Oct 15, 2026188-21
Oct 14, 20262090
Oct 13, 2026209+24
Oct 09, 2026185+1
Oct 08, 20261840
Oct 07, 2026184+1
Oct 06, 2026183+3
Oct 05, 20261800
Oct 02, 2026180No prior observation