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Contract OI history

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Oct 30, 2026 EXPIRATION

COP $138.00 Put

COP261030P00138000

Latest saved OI187Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COP $138.00 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. 187930 2026-10-02: 100 OI2026-10-05: 100 OI2026-10-06: 100 OI2026-10-07: 100 OI2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 104 OI2026-10-14: 121 OI2026-10-15: 121 OI2026-10-16: 121 OI2026-10-21: 183 OI2026-10-23: 187 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, 2026Viewing187+4
Oct 21, 2026183+62
Oct 16, 20261210
Oct 15, 20261210
Oct 14, 2026121+17
Oct 13, 2026104+4
Oct 09, 20261000
Oct 08, 20261000
Oct 07, 20261000
Oct 06, 20261000
Oct 05, 20261000
Oct 02, 2026100No prior observation