Intraday price change for STM is about $0.33 from the day's low to the day's high.
The previous business day's price range from the open of $16.63 is expected to range from a low of $16.45 to a high of $16.78.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $16.63 and $16.63 assuming average price movements.
Note that events including news, STM earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.