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Unusual Option Volume

ALEC Alector1.57-1.64 (-51.1%)

Alector trades 5,716 contracts. News: Alector Announces Topline Results from Latozinemab Phase 3 Trial in Individuals with Frontotemporal Dementia Due to a GRN Mutation and Provides Business Update
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ALEC #Alector stock declines -51.2% in premarket,

Premarket Decliner

ALEC Alector3.21-0.10-3.0%

Premarket:1.57-1.64 (-51.3%)

Alector Announces Topline Results from Latozinemab Phase 3 Trial in Individuals with Frontotemporal Dementia Due to a GRN Mutation and Provides Business Update

Globe NewswireTue, 21-Oct 4:05 PM
$ALEC Bullish pressure building up in the options market. On-Balance net option delta is 341 K.
Unusual Option Volume

ALEC Alector2.97+0.21 (+7.6%)

Alector trades 5,102 contracts. The highest volume is in the 19-Dec-25 2.5 calls.
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Unusual Option Volume

ALEC Alector2.22+0.07 (+3.3%)

Alector trades 2,533 contracts. The highest volume is in the 15-Aug-25 2.5 calls, which is 12.6% above the current price.
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Unusual Option Volume

ALEC Alector1.90+0.44 (+30.1%)

Alector trades 2,109 contracts. News: Alector Reports Second Quarter 2025 Financial Results and Provides Business Update
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