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Contract OI history

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Dec 18, 2026 EXPIRATION

ALNY $270.00 Call

ALNY261218C00270000

Latest saved OI23Oct 20, 2026
Last change+3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALNY $270.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 23110 2026-10-09: 19 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-15: 19 OI2026-10-16: 20 OI2026-10-20: 23 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, 2026Viewing23+3
Oct 16, 202620+1
Oct 15, 2026190
Oct 14, 2026190
Oct 13, 2026190
Oct 09, 202619No prior observation