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Contract OI history

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Mar 19, 2027 EXPIRATION

CAT $810.00 Put

CAT270319P00810000

Latest saved OI117Oct 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 $810.00 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. 123610 2026-10-02: 94 OI2026-10-05: 94 OI2026-10-06: 123 OI2026-10-07: 123 OI2026-10-08: 123 OI2026-10-09: 123 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 118 OI2026-10-16: 118 OI2026-10-21: 117 OI2026-10-23: 117 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, 2026Viewing1170
Oct 21, 2026117-1
Oct 16, 20261180
Oct 15, 2026118-5
Oct 14, 20261230
Oct 13, 20261230
Oct 09, 20261230
Oct 08, 20261230
Oct 07, 20261230
Oct 06, 2026123+29
Oct 05, 2026940
Oct 02, 202694No prior observation