Intraday price change for BHP is about $0.55 from the day's low to the day's high.
The previous business day's price range from the open of $40.31 is expected to range from a low of $40.07 to a high of $40.61.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $40.25 and $40.37 assuming average price movements.
Note that events including news, BHP earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.