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Contract OI history

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Mar 19, 2027 EXPIRATION

ALNY $200.00 Put

ALNY270319P00200000

Latest saved OI1,773Oct 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 $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. 1,7738860 2026-10-09: 1,773 OI2026-10-13: 1,773 OI2026-10-14: 1,773 OI2026-10-15: 1,773 OI2026-10-16: 1,773 OI2026-10-20: 1,773 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, 2026Viewing1,7730
Oct 16, 20261,7730
Oct 15, 20261,7730
Oct 14, 20261,7730
Oct 13, 20261,7730
Oct 09, 20261,773No prior observation