Intraday price change for GLW is about $0.42 from the day's low to the day's high.
The previous business day's price range from the open of $31.72 is expected to range from a low of $31.51 to a high of $31.94.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $31.68 and $31.76 assuming average price movements.
Note that events including news, GLW earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.