OITracker Cboe delayed data

Contract OI history

Back to KEYS

Jan 15, 2027 EXPIRATION

KEYS $290.00 Put

KEYS270115P00290000

Latest saved OI119Oct 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 $290.00 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. 119590 2026-10-15: 0 OI2026-10-16: 103 OI2026-10-21: 119 OI2026-10-23: 119 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, 2026Viewing1190
Oct 21, 2026119+16
Oct 16, 2026103+103
Oct 15, 20260No prior observation