Intraday price change for AMBC is about $0.51 from the day's low to the day's high.
The previous business day's price range from the open of $21.56 is expected to range from a low of $21.31 to a high of $21.82.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $21.56 and $21.56 assuming average price movements.
Note that events including news, AMBC earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.