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Contract OI history

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Dec 18, 2026 EXPIRATION

COP $135.00 Put

COP261218P00135000

Latest saved OI234Oct 23, 2026
Last change+71vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COP $135.00 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. 2341170 2026-10-02: 132 OI2026-10-05: 132 OI2026-10-06: 139 OI2026-10-07: 139 OI2026-10-08: 139 OI2026-10-09: 140 OI2026-10-13: 111 OI2026-10-14: 143 OI2026-10-15: 145 OI2026-10-16: 148 OI2026-10-21: 163 OI2026-10-23: 234 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, 2026Viewing234+71
Oct 21, 2026163+15
Oct 16, 2026148+3
Oct 15, 2026145+2
Oct 14, 2026143+32
Oct 13, 2026111-29
Oct 09, 2026140+1
Oct 08, 20261390
Oct 07, 20261390
Oct 06, 2026139+7
Oct 05, 20261320
Oct 02, 2026132No prior observation