Intraday price change for IBB is about $4.68 from the day's low to the day's high.
The previous business day's price range from the open of $320.96 is expected to range from a low of $318.58 to a high of $323.26.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $320.71 and $321.21 assuming average price movements.
Note that events including news, IBB earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.