Intraday price change for GNC is about $0.41 from the day's low to the day's high.
The previous business day's price range from the open of $8.94 is expected to range from a low of $8.75 to a high of $9.16.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $8.91 and $8.97 assuming average price movements.
Note that events including news, GNC earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.