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Contract OI history

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Oct 30, 2026 EXPIRATION

CAT $800.00 Put

CAT261030P00800000

Latest saved OI154Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $800.00 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. 4482240 2026-10-02: 432 OI2026-10-05: 448 OI2026-10-06: 183 OI2026-10-07: 192 OI2026-10-08: 192 OI2026-10-09: 204 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-15: 199 OI2026-10-16: 168 OI2026-10-21: 160 OI2026-10-23: 154 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, 2026Viewing154-6
Oct 21, 2026160-8
Oct 16, 2026168-31
Oct 15, 2026199-4
Oct 14, 20262030
Oct 13, 2026203-1
Oct 09, 2026204+12
Oct 08, 20261920
Oct 07, 2026192+9
Oct 06, 2026183-265
Oct 05, 2026448+16
Oct 02, 2026432No prior observation