Intraday price change for ALK is about $1.80 from the day's low to the day's high.
The previous business day's price range from the open of $84.09 is expected to range from a low of $83.11 to a high of $84.90.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $84.23 and $83.95 assuming average price movements.
Note that events including news, ALK earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.