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Contract OI history

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Jan 15, 2027 EXPIRATION

ALNY $210.00 Put

ALNY270115P00210000

Latest saved OI728Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALNY $210.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 7383690 2026-10-09: 738 OI2026-10-13: 738 OI2026-10-14: 738 OI2026-10-15: 738 OI2026-10-16: 728 OI2026-10-20: 728 OI Oct 09, 2026Oct 20, 2026

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

ALNY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing7280
Oct 16, 2026728-10
Oct 15, 20267380
Oct 14, 20267380
Oct 13, 20267380
Oct 09, 2026738No prior observation