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Contract OI history

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Nov 20, 2026 EXPIRATION

ALNY $200.00 Put

ALNY261120P00200000

Latest saved OI52Oct 20, 2026
Last change+40vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALNY $200.00 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. 52260 2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 23 OI2026-10-16: 12 OI2026-10-20: 52 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, 2026Viewing52+40
Oct 16, 202612-11
Oct 15, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 202623No prior observation