Intraday price change for RARE is about $2.75 from the day's low to the day's high.
The previous business day's price range from the open of $66.42 is expected to range from a low of $65.04 to a high of $67.79.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $66.42 and $66.42 assuming average price movements.
Note that events including news, RARE earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.