Intraday price change for ATEN is about $0.27 from the day's low to the day's high.
The previous business day's price range from the open of $8.50 is expected to range from a low of $8.39 to a high of $8.66.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $8.49 and $8.51 assuming average price movements.
Note that events including news, ATEN earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.