Intraday price change for BSX is about $0.35 from the day's low to the day's high.
The previous business day's price range from the open of $28.89 is expected to range from a low of $28.73 to a high of $29.08.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $28.85 and $28.93 assuming average price movements.
Note that events including news, BSX earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.