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Contract OI history

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Dec 15, 2028 EXPIRATION

COP $135.00 Put

COP281215P00135000

Latest saved OI180Oct 23, 2026
Last change0vs 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. 180900 2026-10-02: 175 OI2026-10-05: 175 OI2026-10-06: 175 OI2026-10-07: 175 OI2026-10-08: 175 OI2026-10-09: 175 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 180 OI2026-10-16: 180 OI2026-10-21: 180 OI2026-10-23: 180 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, 2026Viewing1800
Oct 21, 20261800
Oct 16, 20261800
Oct 15, 2026180+5
Oct 14, 20261750
Oct 13, 20261750
Oct 09, 20261750
Oct 08, 20261750
Oct 07, 20261750
Oct 06, 20261750
Oct 05, 20261750
Oct 02, 2026175No prior observation