OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

RLAY $9.00 Call

RLAY261218C00009000

Latest saved OI510Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RLAY $9.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5112550 2026-10-09: 511 OI2026-10-13: 511 OI2026-10-14: 511 OI2026-10-16: 511 OI2026-10-20: 511 OI2026-10-23: 510 OI Oct 09, 2026Oct 23, 2026

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

RLAY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing510-1
Oct 20, 20265110
Oct 16, 20265110
Oct 14, 20265110
Oct 13, 20265110
Oct 09, 2026511No prior observation