OITracker Cboe delayed data

Contract OI history

Back to CPIX

Nov 20, 2026 EXPIRATION

CPIX $7.50 Put

CPIX261120P00007500

Latest saved OI79Oct 23, 2026
Last change-5vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CPIX $7.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 84420 2026-10-08: 5 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-16: 5 OI2026-10-20: 84 OI2026-10-23: 79 OI Oct 08, 2026Oct 23, 2026

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

CPIX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing79-5
Oct 20, 202684+79
Oct 16, 202650
Oct 14, 202650
Oct 13, 202650
Oct 08, 20265No prior observation