Intraday price change for ECA is about $0.36 from the day's low to the day's high.
The previous business day's price range from the open of $9.14 is expected to range from a low of $8.94 to a high of $9.30.
Price moves beyond this range are outside the average.
The previous business day's closing price may be between $9.17 and $9.11 assuming average price movements.
Note that events including news, ECA earnings, or broad market swings will unexpectedly affect price.
Closing prices outside of this range indicate a move outside the average closing price movement.