Intraday price change for NAT is about $0.30 from the day's low to the day's high.
The previous business day's price range from the open of $6.15 is expected to range from a low of $5.99 to a high of $6.29.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $6.20 and $6.10 assuming average price movements.
Note that events including news, NAT earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.