Intraday price change for ACLS is about $0.99 from the day's low to the day's high.
The previous business day's price range from the open of $23.25 is expected to range from a low of $22.71 to a high of $23.71.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $23.29 and $23.21 assuming average price movements.
Note that events including news, ACLS earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.