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Contract OI history

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Mar 19, 2027 EXPIRATION

COP $135.00 Put

COP270319P00135000

Latest saved OI1,263Oct 23, 2026
Last change+23vs 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. 1,2636310 2026-10-02: 822 OI2026-10-05: 822 OI2026-10-06: 822 OI2026-10-07: 822 OI2026-10-08: 822 OI2026-10-09: 822 OI2026-10-13: 822 OI2026-10-14: 954 OI2026-10-15: 952 OI2026-10-16: 976 OI2026-10-21: 1,240 OI2026-10-23: 1,263 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, 2026Viewing1,263+23
Oct 21, 20261,240+264
Oct 16, 2026976+24
Oct 15, 2026952-2
Oct 14, 2026954+132
Oct 13, 20268220
Oct 09, 20268220
Oct 08, 20268220
Oct 07, 20268220
Oct 06, 20268220
Oct 05, 20268220
Oct 02, 2026822No prior observation