Intraday price change for COST is about $2.54 from the day's low to the day's high.
The previous business day's price range from the open of $160.14 is expected to range from a low of $158.90 to a high of $161.44.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $159.92 and $160.36 assuming average price movements.
Note that events including news, COST earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.