Intraday price change for UMC is about $0.05 from the day's low to the day's high.
The previous business day's price range from the open of $2.30 is expected to range from a low of $2.28 to a high of $2.33.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $2.30 and $2.30 assuming average price movements.
Note that events including news, UMC earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.