OITracker Cboe delayed data

Contract OI history

Back to KEY

Jan 15, 2027 EXPIRATION

KEY $17.00 Put

KEY270115P00017000

Latest saved OI4,589Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $17.00 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. 4,5892,2940 2026-10-02: 4,524 OI2026-10-05: 4,524 OI2026-10-06: 4,584 OI2026-10-07: 4,584 OI2026-10-08: 4,584 OI2026-10-09: 4,584 OI2026-10-13: 4,584 OI2026-10-14: 4,584 OI2026-10-15: 4,583 OI2026-10-16: 4,583 OI2026-10-21: 4,578 OI2026-10-23: 4,589 OI Oct 02, 2026Oct 23, 2026

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

KEY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264,589+11
Oct 21, 2026Viewing4,578-5
Oct 16, 20264,5830
Oct 15, 20264,583-1
Oct 14, 20264,5840
Oct 13, 20264,5840
Oct 09, 20264,5840
Oct 08, 20264,5840
Oct 07, 20264,5840
Oct 06, 20264,584+60
Oct 05, 20264,5240
Oct 02, 20264,524No prior observation