OITracker Cboe delayed data

Contract OI history

Back to COP

Dec 18, 2026 EXPIRATION

COP $115.00 Put

COP261218P00115000

Latest saved OI1,114Oct 23, 2026
Last change-88vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COP $115.00 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. 1,2486240 2026-10-02: 1,243 OI2026-10-05: 1,248 OI2026-10-06: 1,233 OI2026-10-07: 1,236 OI2026-10-08: 1,227 OI2026-10-09: 1,229 OI2026-10-13: 1,231 OI2026-10-14: 1,214 OI2026-10-15: 1,213 OI2026-10-16: 1,213 OI2026-10-21: 1,202 OI2026-10-23: 1,114 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, 2026Viewing1,114-88
Oct 21, 20261,202-11
Oct 16, 20261,2130
Oct 15, 20261,213-1
Oct 14, 20261,214-17
Oct 13, 20261,231+2
Oct 09, 20261,229+2
Oct 08, 20261,227-9
Oct 07, 20261,236+3
Oct 06, 20261,233-15
Oct 05, 20261,248+5
Oct 02, 20261,243No prior observation