Intraday price change for WFT is about $0.22 from the day's low to the day's high.
The previous business day's price range from the open of $3.89 is expected to range from a low of $3.76 to a high of $3.98.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $3.91 and $3.87 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.