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Contract OI history

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Jun 17, 2027 EXPIRATION

RGEN $155.00 Put

RGEN270617P00155000

Latest saved OI543Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RGEN $155.00 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. 5432710 2026-10-09: 543 OI2026-10-13: 543 OI2026-10-14: 543 OI2026-10-15: 543 OI2026-10-16: 543 OI2026-10-21: 543 OI2026-10-23: 543 OI Oct 09, 2026Oct 23, 2026

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

RGEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5430
Oct 21, 20265430
Oct 16, 20265430
Oct 15, 20265430
Oct 14, 20265430
Oct 13, 20265430
Oct 09, 2026543No prior observation