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Contract OI history

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Mar 19, 2027 EXPIRATION

COP $145.00 Put

COP270319P00145000

Latest saved OI336Oct 23, 2026
Last change+55vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COP $145.00 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. 3361680 2026-10-02: 195 OI2026-10-05: 194 OI2026-10-06: 194 OI2026-10-07: 195 OI2026-10-08: 195 OI2026-10-09: 195 OI2026-10-13: 195 OI2026-10-14: 195 OI2026-10-15: 195 OI2026-10-16: 245 OI2026-10-21: 281 OI2026-10-23: 336 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing336+55
Oct 21, 2026281+36
Oct 16, 2026245+50
Oct 15, 20261950
Oct 14, 20261950
Oct 13, 20261950
Oct 09, 20261950
Oct 08, 20261950
Oct 07, 2026195+1
Oct 06, 20261940
Oct 05, 2026194-1
Oct 02, 2026195No prior observation