Intraday price change for SGY is about $1.24 from the day's low to the day's high.
The previous business day's price range from the open of $17.66 is expected to range from a low of $17.06 to a high of $18.30.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $17.70 and $17.62 assuming average price movements.
Note that events including news, SGY earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.