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Contract OI history

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Feb 19, 2027 EXPIRATION

CAT $680.00 Put

CAT270219P00680000

Latest saved OI274Oct 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 $680.00 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. 2741370 2026-10-02: 189 OI2026-10-05: 189 OI2026-10-06: 189 OI2026-10-07: 245 OI2026-10-08: 245 OI2026-10-09: 252 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 256 OI2026-10-16: 259 OI2026-10-21: 273 OI2026-10-23: 274 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, 2026Viewing274+1
Oct 21, 2026273+14
Oct 16, 2026259+3
Oct 15, 2026256+3
Oct 14, 20262530
Oct 13, 2026253+1
Oct 09, 2026252+7
Oct 08, 20262450
Oct 07, 2026245+56
Oct 06, 20261890
Oct 05, 20261890
Oct 02, 2026189No prior observation