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Contract OI history

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Nov 20, 2026 EXPIRATION

RGEN $105.00 Put

RGEN261120P00105000

Latest saved OI372Oct 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 $105.00 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. 5472730 2026-10-09: 547 OI2026-10-13: 547 OI2026-10-14: 547 OI2026-10-15: 547 OI2026-10-16: 547 OI2026-10-21: 372 OI2026-10-23: 372 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, 2026Viewing3720
Oct 21, 2026372-175
Oct 16, 20265470
Oct 15, 20265470
Oct 14, 20265470
Oct 13, 20265470
Oct 09, 2026547No prior observation