OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

XRAY $7.50 Put

XRAY261120P00007500

Latest saved OI524Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
XRAY $7.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5252620 2026-10-09: 338 OI2026-10-12: 338 OI2026-10-14: 340 OI2026-10-15: 340 OI2026-10-16: 340 OI2026-10-21: 525 OI2026-10-23: 524 OI Oct 09, 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, 2026524-1
Oct 21, 2026Viewing525+185
Oct 16, 20263400
Oct 15, 20263400
Oct 14, 2026340+2
Oct 12, 20263380
Oct 09, 2026338No prior observation