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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $810.00 Put

CAT261120P00810000

Latest saved OI478Oct 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 $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. 4792390 2026-10-02: 287 OI2026-10-05: 297 OI2026-10-06: 335 OI2026-10-07: 345 OI2026-10-08: 345 OI2026-10-09: 463 OI2026-10-13: 465 OI2026-10-14: 465 OI2026-10-15: 470 OI2026-10-16: 472 OI2026-10-21: 479 OI2026-10-23: 478 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, 2026Viewing478-1
Oct 21, 2026479+7
Oct 16, 2026472+2
Oct 15, 2026470+5
Oct 14, 20264650
Oct 13, 2026465+2
Oct 09, 2026463+118
Oct 08, 20263450
Oct 07, 2026345+10
Oct 06, 2026335+38
Oct 05, 2026297+10
Oct 02, 2026287No prior observation