public void Snapshot(double fiat, double security, double securityPrice, double benchmarkPrice = 0)
{
if (benchmarkPrice == 0)
{
benchmarkPrice = securityPrice;
}
double portfolioValue = fiat + security * securityPrice;
bool hasOne = Snapshots.Count > 0;
var newSnapshot = new PortfolioSnapshot()
{
Time = DateTime.Now,
Fiat = fiat,
Security = security,
SecurityPrice = securityPrice,
PortfolioValue = portfolioValue,
PL = Snapshots.Count > 0 ? portfolioValue / Snapshots.Last().PortfolioValue - 1 : 0.0,
CumulativePL = hasOne ? portfolioValue / Snapshots.First().PortfolioValue - 1 : 0.0,
BenchmarkPrice = benchmarkPrice,
BenchmarkPL = hasOne ? benchmarkPrice / Snapshots.Last().BenchmarkPrice - 1 : 0.0,
BenchmarkCumulativePL = hasOne ? benchmarkPrice / Snapshots.First().BenchmarkPrice - 1 : 0.0
};
Snapshots.Add(newSnapshot);
SnapshotEvent?.Invoke(this, newSnapshot);
CachedSharpeRatio = null;
}
private void buttonCapture_Click(object sender, EventArgs e)
{
if (SnapshotEvent == null)
{
return;
}
HImage ho_Image = SnapshotEvent.Invoke();
int num = this._images.Count;
this._images.Add(ho_Image);
this.listBox1.Items.Add($"图像 {num + 1:d2}");
this.listBox1.SelectedIndex = num;
}