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Interactive charts

Use historical stock prices and several interactive charts, updated quarterly, to track various financial and operational metrics at ALLETE.

Historical Price Lookup

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Before ADESA spin-off
Historical prices
6/20/86 through 9/20/04

September 20, 2004 / ALE - NYSE
High $26.70
Low $26.27
Open $26.50
Close $26.55


Prices reflect a 2-for-1 stock split
of March 2, 1999.
After ADESA spin-off
Historical prices
since 9/21/04

July 30, 2010 / ALE - NYSE
High $36.42
Low $35.93
Open $36.20
Close $36.06
Volume 110,311


On Sept. 20, 2004, ALLETE spun off ADESA, Inc.
and completed a 1-for-3 reverse stock split.

Year End Stock Prices

Year end ALE stock price