Intraday price change for ATHM is about $1.67 from the day's low to the day's high.
The previous business day's price range from the open of $63.80 is expected to range from a low of $63.03 to a high of $64.70.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $63.51 and $64.09 assuming average price movements.
Note that events including news, ATHM earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.