OITracker Cboe delayed data

Contract OI history

Back to XRAY

Dec 18, 2026 EXPIRATION

XRAY $10.00 Put

XRAY261218P00010000

Latest saved OI201Oct 23, 2026
Last change+200vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
XRAY $10.00 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. 2011000 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 1 OI2026-10-23: 201 OI Oct 15, 2026Oct 23, 2026

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

XRAY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing201+200
Oct 21, 20261+1
Oct 16, 202600
Oct 15, 20260No prior observation