Intraday price change for STT is about $1.18 from the day's low to the day's high.
The previous business day's price range from the open of $87.46 is expected to range from a low of $86.95 to a high of $88.13.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $87.34 and $87.58 assuming average price movements.
Note that events including news, STT earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.