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Contract OI history

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Nov 27, 2026 EXPIRATION

CAT $790.00 Put

CAT261127P00790000

Latest saved OI200Oct 23, 2026
Last change0vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $790.00 put open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 2091040 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 7 OI2026-10-13: 209 OI2026-10-14: 209 OI2026-10-15: 205 OI2026-10-16: 200 OI2026-10-21: 200 OI2026-10-23: 200 OI Oct 07, 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, 2026Viewing2000
Oct 21, 20262000
Oct 16, 2026200-5
Oct 15, 2026205-4
Oct 14, 20262090
Oct 13, 2026209+202
Oct 09, 20267+7
Oct 08, 202600
Oct 07, 20260No prior observation