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Contract OI history

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Dec 18, 2026 EXPIRATION

RLAY $21.00 Put

RLAY261218P00021000

Latest saved OI524Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RLAY $21.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5242620 2026-10-09: 524 OI2026-10-13: 524 OI2026-10-14: 524 OI2026-10-16: 524 OI2026-10-20: 524 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.

RLAY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5240
Oct 20, 20265240
Oct 16, 20265240
Oct 14, 20265240
Oct 13, 20265240
Oct 09, 2026524No prior observation