OITracker Cboe delayed data

Contract OI history

Back to KMX

Dec 15, 2028 EXPIRATION

KMX $40.00 Put

KMX281215P00040000

Latest saved OI25Oct 23, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KMX $40.00 put open interest history 9 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 28140 2026-10-02: 28 OI2026-10-06: 28 OI2026-10-07: 28 OI2026-10-09: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-16: 25 OI2026-10-20: 25 OI2026-10-23: 25 OI Oct 02, 2026Oct 23, 2026

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

KMX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing250
Oct 20, 2026250
Oct 16, 202625-3
Oct 14, 2026280
Oct 13, 2026280
Oct 09, 2026280
Oct 07, 2026280
Oct 06, 2026280
Oct 02, 202628No prior observation