Intraday price change for NRG is about $0.50 from the day's low to the day's high.
The previous business day's price range from the open of $17.32 is expected to range from a low of $17.03 to a high of $17.53.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $17.36 and $17.28 assuming average price movements.
Note that events including news, NRG earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.