OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

XRAY $10.00 Put

XRAY270416P00010000

Latest saved OI574Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
XRAY $10.00 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. 5762880 2026-10-09: 440 OI2026-10-12: 442 OI2026-10-14: 505 OI2026-10-15: 511 OI2026-10-16: 558 OI2026-10-21: 576 OI2026-10-23: 574 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, 2026574-2
Oct 21, 2026Viewing576+18
Oct 16, 2026558+47
Oct 15, 2026511+6
Oct 14, 2026505+63
Oct 12, 2026442+2
Oct 09, 2026440No prior observation