private static void Stock_PriceChanged(object sender, PriceChangedEventArgs e)
{
var increase = (e.NewPrice - e.LastPrice) / e.LastPrice;
if (increase >= 0.1m)
{
WriteLine("Alert, 10% or more stock price increase!");
}
else
{
WriteLine("Price increase less than 10%");
}
WriteLine($"Increase = {Math.Round(increase * 100, 2)}%");
}
protected virtual void OnPriceChanged(PriceChangedEventArgs e)
{
PriceChanged?.Invoke(this, e);
}