OITracker Cboe delayed data

Contract OI history

Back to KEY

Dec 18, 2026 EXPIRATION

KEY $23.00 Call

KEY261218C00023000

Latest saved OI1,166Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $23.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1765880 2026-10-02: 1,176 OI2026-10-05: 1,159 OI2026-10-06: 1,158 OI2026-10-07: 1,158 OI2026-10-08: 1,158 OI2026-10-09: 1,158 OI2026-10-13: 1,158 OI2026-10-14: 1,158 OI2026-10-15: 1,158 OI2026-10-16: 1,158 OI2026-10-21: 1,163 OI2026-10-23: 1,166 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, 20261,166+3
Oct 21, 2026Viewing1,163+5
Oct 16, 20261,1580
Oct 15, 20261,1580
Oct 14, 20261,1580
Oct 13, 20261,1580
Oct 09, 20261,1580
Oct 08, 20261,1580
Oct 07, 20261,1580
Oct 06, 20261,158-1
Oct 05, 20261,159-17
Oct 02, 20261,176No prior observation