Intraday price change for ARNA is about $0.29 from the day's low to the day's high.
The previous business day's price range from the open of $14.87 is expected to range from a low of $14.75 to a high of $15.04.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $14.83 and $14.91 assuming average price movements.
Note that events including news, ARNA earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.