Intraday price change for IR is about $1.53 from the day's low to the day's high.
The previous business day's price range from the open of $89.40 is expected to range from a low of $88.74 to a high of $90.27.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $89.20 and $89.60 assuming average price movements.
Note that events including news, IR earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.