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Contract OI history

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Dec 18, 2026 EXPIRATION

ALNY $180.00 Put

ALNY261218P00180000

Latest saved OI26Oct 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 $180.00 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. 26130 2026-10-09: 26 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 26 OI2026-10-16: 26 OI2026-10-20: 26 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, 2026Viewing260
Oct 16, 2026260
Oct 15, 2026260
Oct 14, 2026260
Oct 13, 2026260
Oct 09, 202626No prior observation