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Contract OI history

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Dec 18, 2026 EXPIRATION

RLAY $18.00 Put

RLAY261218P00018000

Latest saved OI521Oct 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 $18.00 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. 5232610 2026-10-09: 523 OI2026-10-13: 523 OI2026-10-14: 521 OI2026-10-16: 521 OI2026-10-20: 521 OI2026-10-23: 521 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, 2026Viewing5210
Oct 20, 20265210
Oct 16, 20265210
Oct 14, 2026521-2
Oct 13, 20265230
Oct 09, 2026523No prior observation