Intraday price change for IBB is about $5.10 from the day's low to the day's high.
The previous business day's price range from the open of $310.08 is expected to range from a low of $307.16 to a high of $312.27.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $310.48 and $309.68 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.