OITracker Cboe delayed data

Contract OI history

Back to CL

Dec 18, 2026 EXPIRATION

CL $77.50 Put

CL261218P00077500

Latest saved OI2,824Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CL $77.50 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. 2,8241,4120 2026-10-02: 6 OI2026-10-05: 8 OI2026-10-06: 10 OI2026-10-07: 2,819 OI2026-10-08: 2,821 OI2026-10-09: 2,823 OI2026-10-13: 2,823 OI2026-10-14: 2,823 OI2026-10-15: 2,823 OI2026-10-16: 2,823 OI2026-10-21: 2,824 OI2026-10-23: 2,824 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,8240
Oct 21, 20262,824+1
Oct 16, 20262,8230
Oct 15, 20262,8230
Oct 14, 20262,8230
Oct 13, 20262,8230
Oct 09, 20262,823+2
Oct 08, 20262,821+2
Oct 07, 20262,819+2,809
Oct 06, 202610+2
Oct 05, 20268+2
Oct 02, 20266No prior observation