public async Task<SysTimeSeries> GetAllocation(ICarbonClient cc_, bool forceRefresh_ = false)
{
if (m_alloc!=null && !forceRefresh_)
return m_alloc.Value;
m_alloc = new TriedObject<SysTimeSeries>(await SysTimeSeries.GetAsync(string.Format("{0}.allocation", RootName), cc_));
OnPortfolioChunkUpdated(new PortfolioChunkUpdatedEventArgs(PortfolioChunk.Allocation));
return m_alloc.Value;
}
public async Task<SysMeta> GetMeta(ICarbonClient cc_, bool forceRefresh_=false)
{
if (m_meta!=null && !forceRefresh_)
return m_meta.Value;
m_meta = new TriedObject<SysMeta>(await SysMeta.GetAsync(string.Format("{0}.meta", RootName), cc_));
OnPortfolioChunkUpdated(new PortfolioChunkUpdatedEventArgs(PortfolioChunk.Meta));
return m_meta.Value;
}
public async Task<ITRInstrument> TRInstrument(CarbonClient cc_)
{
if (m_trInstrument != null)
return m_trInstrument.Value;
var name = Name.Contains("#") ? Name.Split('#')[0] : Name;
// try futures first
{
var future = await InstrumentList_Futures.GetByBbgTicker(name, cc_);
if (future != null)
{
m_trInstrument = new TriedObject<ITRInstrument>(future);
return m_trInstrument.Value;
}
}
// then fx
{
var fx = await InstrumentList_FX.GetByName(name, cc_);
// more than likely we'll have a 3 character currency code coming from fx portfolios.
// this implies a position in CCY vs USD, so try getting that...
if (fx == null && name.Length == 3)
{
fx = await InstrumentList_FX.GetByName(string.Format("{0}USD", name), cc_);
}
if (fx != null)
{
m_trInstrument = new TriedObject<ITRInstrument>(fx);
return m_trInstrument.Value;
}
}
// swaps
{
var swap = await InstrumentList_Swaps.GetByBbgTicker(name, cc_);
if (swap != null)
{
m_trInstrument = new TriedObject<ITRInstrument>(swap);
return m_trInstrument.Value;
}
}
Logger.Info(string.Format("Cannot find equivalent TRS object for [{0}]", Name), typeof(SecMasterEntry));
m_trInstrument = new TriedObject<ITRInstrument>();
return m_trInstrument.Value;
}
private static async Task reload(CarbonClient cc_)
{
try
{
var v = await DataFrameHelper.GetDataFrameByRow<string, Tuple<string, double>>(
name_: "ssys.dashboard.config.assetorder",
keyExtractor_: x => x == null ? "blah" : x.ToString(),
valueExtractor_: (cols, vals) =>
{
var assetIndex = cols.ContainsKey("Asset") ? cols["Asset"] : -1;
var orderIndex = cols.ContainsKey("Order") ? cols["Order"] : -1;
if (assetIndex == -1 || orderIndex == -1) return null;
return new Tuple<string, double>(
item1: vals[assetIndex].ToString(),
item2: double.Parse(vals[orderIndex].ToString())
);
},
cc_: cc_);
var dict = new Dictionary<string, double>();
foreach (var key in v.Keys)
{
var kv = v.GetValue(key, 0);
dict.Add(kv.Item1, kv.Item2);
}
m_order = new TriedObject<Dictionary<string, double>>(dict);
}
catch (Exception ex_)
{
Logger.Error("Error retrieving / building AssetOrder", typeof (AssetOrder), ex_);
m_order = new TriedObject<Dictionary<string, double>>();
}
}
public async Task<PortfolioPnlCache> GetHistoricUnAllocatedPnl(CarbonClient cc_, bool forceRefresh_ = false)
{
if (m_pnl != null && !forceRefresh_)
return m_pnl.Value;
m_pnl =
new TriedObject<PortfolioPnlCache>(
new PortfolioPnlCache(
await SysTimeSeries.GetAsync(PnlMoniker, cc_,PnlMultiplier)));
OnPortfolioChunkUpdated(new PortfolioChunkUpdatedEventArgs(PortfolioChunk.Pnl));
return m_pnl.Value;
}
public void Reset()
{
m_meta = null;
m_alloc = null;
m_pnl = null;
m_wts = null;
m_allocatedWts = null;
m_allocatedPnl = null;
m_currentExpBackwards = null;
m_parentPortfolio = null;
m_childPortfolios = null;
}
public async Task<IEnumerable<Portfolio>> GetChildren(ICarbonClient cc_, bool recurse_ = false, bool forceRefresh_=false, bool isInitialLoad_=false )
{
if (m_childPortfolios!=null && !forceRefresh_)
return m_childPortfolios.Value;
var meta = await GetMeta(cc_, forceRefresh_);
if (meta != null && meta.Data != null && meta.Data.Length > 0)
{
var list = new List<Portfolio>();
var portfolioNames = meta.Data.Where(x => x.IsVisible).Select(x => x.Model).Distinct().ToArray();
#if DEBUG
// temporary thing to only go so deep into the tree structure
//if (RootName.ToCharArray().Where(x => x == '.').Count() >= 2)
// portfolioNames = new string[0];
#endif
foreach (string t in portfolioNames)
{
list.Add(new Portfolio(string.Format("{0}.{1}", RootName, t),
combineAllocation(AllocationToThis, await GetAllocationTo(t, cc_, forceRefresh_)), PnlMultiplier, this));
}
m_childPortfolios = new TriedObject<List<Portfolio>>(list);
foreach (var child in m_childPortfolios.Value)
{
OnChildPortfolioPopulated(new ChildPortfolioPopulatedEventArgs(child,isInitialLoad_));
}
// do we want to recurse down the tree?
if (recurse_ && m_childPortfolios != null && m_childPortfolios.Value.Count > 0)
{
// if we're on the initial load, then don't want to go more than
if(!(isInitialLoad_ && RootName.ToCharArray().Where(x=>x=='.').Count()>=2))
foreach (var p in m_childPortfolios.Value)
await p.GetChildren(cc_: cc_, recurse_: recurse_, isInitialLoad_: isInitialLoad_);
}
return m_childPortfolios.Value;
}
return m_childPortfolios==null ? null : m_childPortfolios.Value;
}
public async Task<double> ContributionToParentTargetVol(CarbonClient cc_, bool forceRefresh_ = false)
{
if (m_contributionToParentTargetVol != null && !forceRefresh_)
return m_contributionToParentTargetVol.Value;
if (m_parentPortfolio == null) return 0d;
var cov = await Covariances.Instance().Get(DateTime.Today, cc_, 10);
if (cov == null)
{
m_contributionToParentTargetVol = new TriedObject<double>(0d);
return 0d;
}
CovContToRiskResult myContToRisk, parentContToRisk;
// try and get 'mine'
{
var myExposures = await GetLatestAllocatedExposure(cc_, forceRefresh_);
if (myExposures == null || myExposures.Item2 == null || myExposures.Item2.SumAbs().IsZero())
{
m_contributionToParentTargetVol = new TriedObject<double>(0d);
return 0d;
}
myContToRisk = cov.CalcContToRisk(myExposures.Item1, myExposures.Item2);
}
// try and get parent
{
var parentexposures = await m_parentPortfolio.GetLatestAllocatedExposure(cc_, forceRefresh_);
if (parentexposures == null || parentexposures.Item2 == null || parentexposures.Item2.SumAbs().IsZero())
{
m_contributionToParentTargetVol = new TriedObject<double>(0d);
return 0d;
}
parentContToRisk = cov.CalcContToRisk(parentexposures.Item1, parentexposures.Item2);
}
var sum = 0d;
for (int i = 0; i < myContToRisk.ExposureNames.Length; ++i)
{
if (myContToRisk.NetExposures[i].IsZero())
continue;
// need to find index of myexposure in parentExposure
for (int j = 0; j < parentContToRisk.ExposureNames.Length; ++j)
{
if (String.Compare(parentContToRisk.ExposureNames[j], myContToRisk.ExposureNames[i], StringComparison.OrdinalIgnoreCase) == 0)
{
sum += parentContToRisk.ContToRisk[j] * (myContToRisk.NetExposures[i] / parentContToRisk.NetExposures[j]);
break;
}
}
}
m_contributionToParentTargetVol = new TriedObject<double>(sum);
return m_contributionToParentTargetVol.Value;
}
public async Task<double> GetLatestTargetVol(CarbonClient cc_, bool forceRefresh_ = false)
{
if (m_targetVol != null && !forceRefresh_)
return m_targetVol.Value;
var cov = await Covariances.Instance().Get(date_: DateTime.Today, cc_: cc_, maxBehind_: 10);
var exp = await GetAllocatedExposure(cc_);
double targetVol = double.NaN;
if (cov != null && exp != null)
{
targetVol = cov.CalcLatestVol(exp);
}
m_targetVol = new TriedObject<double>(targetVol);
return m_targetVol.Value;
}
public async Task<PortfolioPnlCache> GetCurrentAllocatedExposureHistPnl(CarbonClient cc_, bool forcerefresh_ = false)
{
if (m_currentExpBackwards != null && !forcerefresh_)
return m_currentExpBackwards.Value;
var exp = await GetLatestAllocatedExposure(cc_, forcerefresh_);
// if we haven't got exposure
if (exp == null || exp.Item2 == null)
{
m_currentExpBackwards = new TriedObject<PortfolioPnlCache>();
return null;
}
var listOfColumns = new List<string>();
var listOfDailyReturns = new List<DatedDataCollectionGen<double>>();
for (int i = 0; i < exp.Item2.Length; ++i)
{
var exposureName = exp.Item1[i];
var exposure = exp.Item2[i];
if (exposure.IsZero())
continue;
listOfColumns.Add(exposureName);
// get the security master
var secMaster = await SecMasters.Get(exposureName, cc_);
// find equivalent TRS object
var trInstrument = (secMaster == null) ? null : await secMaster.TRInstrument(cc_);
// get TRS object's history
var series = trInstrument == null ? null : await trInstrument.GetTimeSeries(cc_);
if (series == null)
{
Logger.Error(string.Format("Could not find total return series for [{0}]", exposureName), typeof(Portfolio));
continue;
}
var dailyIncrements = series.ToReturns();
if (secMaster.Invert)
dailyIncrements = dailyIncrements.MultiplyBy(-1d);
listOfDailyReturns.Add(dailyIncrements.MultiplyBy(exposure));
}
var con = new ConstructGenGen<DateTime, double>(listOfColumns.ToArray());
for (int i = 0; i < con.ArrayLength; ++i)
con.SetColumnValues(i, listOfDailyReturns[i].Dates, listOfDailyReturns[i].Data);
con.Keys.Sort((a, b) => a.CompareTo(b));
m_currentExpBackwards = new TriedObject<PortfolioPnlCache>(new PortfolioPnlCache(new SysTimeSeries { Data = con }));
return m_currentExpBackwards.Value;
}
public async Task<SysTimeSeries> GetAllocatedExposure(CarbonClient cc_, bool forceRefresh_ = false)
{
if (m_allocatedWts != null && !forceRefresh_)
return m_allocatedWts.Value;
var wts = await GetUnAllocatedExposure(cc_, forceRefresh_);
if (wts == null || !wts.HasData) return null;
if (AllocationToThis == null)
{
m_allocatedWts = new TriedObject<SysTimeSeries>(wts);
}
else
{
var multipliedOut = wts.MultiplyOut(AllocationToThis, 0);
m_allocatedWts = new TriedObject<SysTimeSeries>(multipliedOut);
}
return m_allocatedWts.Value;
}
public async Task<SysTimeSeries> GetUnAllocatedExposure(CarbonClient cc_, bool forceRefresh_ = false)
{
if (m_wts!=null && !forceRefresh_)
return m_wts.Value;
m_wts =
new TriedObject<SysTimeSeries>(
await SysTimeSeries.GetAsync(string.Format("{0}.model.exposure", RootName), cc_));
if (m_wts == null || m_wts.Value==null || !m_wts.Value.HasData)
Logger.Error(string.Format("Could not retrieve exposure for [{0}]", RootName), typeof (Portfolio));
else
{
m_wts.Value.RemoveValuesGreaterThanOrEqualToToday();
Logger.Info(
string.Format("Portfolio exposure for [{0}] last saved for {1}", RootName,
m_wts.Value.Data.LastKey().ToString("dd-MMM-yyyy")), typeof (Portfolio));
}
OnPortfolioChunkUpdated(new PortfolioChunkUpdatedEventArgs(PortfolioChunk.Exposure));
return m_wts.Value;
}
public async Task<PortfolioPnlCache> GetHistoricAllocatedPnl(CarbonClient cc_, bool forceRefresh_ = false)
{
if (m_allocatedPnl != null && !forceRefresh_)
return m_allocatedPnl.Value;
var pnl = await GetHistoricUnAllocatedPnl(cc_, forceRefresh_);
if (pnl == null || !pnl.HasData) return null;
if (AllocationToThis == null)
{
m_allocatedPnl = new TriedObject<PortfolioPnlCache>(pnl);
}
else
{
var multipliedOut = pnl.TimeSeries.MultiplyOut(AllocationToThis,-1);
m_allocatedPnl = new TriedObject<PortfolioPnlCache>(new PortfolioPnlCache(multipliedOut));
}
return m_allocatedPnl.Value;
}
