Intraday price change for CF is about $1.03 from the day's low to the day's high.
The previous business day's price range from the open of $28.83 is expected to range from a low of $28.31 to a high of $29.34.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $28.80 and $28.86 assuming average price movements.
Note that events including news, CF earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.