Intraday price change for ACRX is about $0.17 from the day's low to the day's high.
The previous business day's price range from the open of $2.10 is expected to range from a low of $2.02 to a high of $2.19.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $2.11 and $2.09 assuming average price movements.
Note that events including news, ACRX earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.