Intraday price change for NG is about $0.18 from the day's low to the day's high.
Today's price range from the open of $4.12 is expected to range from a low of $4.01 to a high of $4.19.
Price moves beyond this range are outside the average.
Today's closing price may be between $4.14 and $4.10 assuming average price movements.
Note that events including news, NG earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.