OITracker Cboe delayed data

Contract OI history

Back to CD

Dec 18, 2026 EXPIRATION

CD $2.50 Put

CD261218P00002500

Latest saved OI64Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CD $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 85420 2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 85 OI2026-10-14: 64 OI2026-10-16: 64 OI2026-10-20: 64 OI2026-10-23: 64 OI Oct 08, 2026Oct 23, 2026

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

CD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing640
Oct 20, 2026640
Oct 16, 2026640
Oct 14, 202664-21
Oct 13, 202685+25
Oct 09, 2026600
Oct 08, 202660No prior observation