Intraday price change for ROK is about $2.39 from the day's low to the day's high.
The previous business day's price range from the open of $165.27 is expected to range from a low of $164.05 to a high of $166.43.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $165.30 and $165.24 assuming average price movements.
Note that events including news, ROK earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.