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Contract OI history

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Jan 15, 2027 EXPIRATION

ALNY $230.00 Put

ALNY270115P00230000

Latest saved OI185Oct 20, 2026
Last change-12vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALNY $230.00 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. 197980 2026-10-09: 196 OI2026-10-13: 196 OI2026-10-14: 196 OI2026-10-15: 196 OI2026-10-16: 197 OI2026-10-20: 185 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, 2026Viewing185-12
Oct 16, 2026197+1
Oct 15, 20261960
Oct 14, 20261960
Oct 13, 20261960
Oct 09, 2026196No prior observation