Intraday price change for WFT is about $0.26 from the day's low to the day's high.
The previous business day's price range from the open of $4.43 is expected to range from a low of $4.28 to a high of $4.53.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $4.45 and $4.41 assuming average price movements.
Note that events including news, WFT earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.