OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

KEYS $300.00 Put

KEYS270115P00300000

Latest saved OI131Oct 23, 2026
Last change0vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
KEYS $300.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 131650 2026-10-15: 0 OI2026-10-16: 1 OI2026-10-21: 131 OI2026-10-23: 131 OI Oct 15, 2026Oct 23, 2026

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

KEYS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1310
Oct 21, 2026131+130
Oct 16, 20261+1
Oct 15, 20260No prior observation