//
//
/// <summary>
/// This function add hedge option to hedge option collection for the quote instrument.
/// </summary>
/// <param name="hedgeOption"></param>
/// <returns></returns>
public bool TryAddHedgeOption(HedgeOption hedgeOption)
{
bool isSuccess = false;
if (!m_HedgeOptions.Contains(hedgeOption))
{
m_HedgeOptions.Add(hedgeOption);
m_PossibleHedgeCount++;
isSuccess = true;
}
else
{
m_Log.NewEntry(LogLevel.Error, "Already added this hedge option for instrument {0}.", m_QuoteInstrument);
return(isSuccess);
}
return(isSuccess);
}
// *****************************************************************
// **** Properties ****
// *****************************************************************
//
//
#endregion//Properties
#region Public Methods
// *****************************************************************
// **** Public Methods ****
// *****************************************************************
//
//
//
//
//
//
/// <summary>
/// This function will hedge options for the OMA trading strategy quote instrument.
/// </summary>
/// <param name="quoteInstrument"></param>
/// <param name="hedgeOptionsString"></param>
/// <returns></returns>
public bool TryWriteHedgeOptionsForInstrument(InstrumentName quoteInstrument, out string hedgeOptionsString)
{
bool isSuccess = false;
hedgeOptionsString = null;
ProductTypes productTypes = quoteInstrument.Product.Type;
string productName = quoteInstrument.Product.ProductName;
string seriesName = quoteInstrument.SeriesName;
List <HedgeOption> hedgeOptions = new List <HedgeOption>();
StringBuilder hedgeOptionsBuilder = new StringBuilder();
switch (productTypes)
{
case ProductTypes.Future:
break;
case ProductTypes.Spread:
if (seriesName.Contains("Calendar"))
{
// Target: Calendar: 1xGE Sep14:-1xDec14
List <string> seriesNamesInTheString = new List <string>();
string pattern = @"[a-zA-Z]{3}[0-9]{2}";
MatchCollection matchCollection = Regex.Matches(seriesName, pattern);
foreach (Match match in matchCollection)
{
if (match.Success)
{
seriesNamesInTheString.Add(match.Value);
}
}
if (seriesNamesInTheString.Count == 2)
{
DateTime frontDateTime;
DateTime endDateTime;
if (!DateTime.TryParseExact(seriesNamesInTheString[0], "MMMyy", null, DateTimeStyles.None, out frontDateTime))
{
m_Log.NewEntry(LogLevel.Error, "DateTime parsed failed for this string {0}.", seriesNamesInTheString[0]);
return(isSuccess);
}
if (!DateTime.TryParseExact(seriesNamesInTheString[1], "MMMyy", null, DateTimeStyles.None, out endDateTime))
{
m_Log.NewEntry(LogLevel.Error, "DateTime parsed failed for this string {0}.", seriesNamesInTheString[1]);
return(isSuccess);
}
if (frontDateTime.Month % 3 != 0)
{
m_Log.NewEntry(LogLevel.Error, "Not need to write this hedge option because {0} month index is not multiples of 3.", seriesNamesInTheString[0]);
return(isSuccess);
}
int duration = endDateTime.Month - frontDateTime.Month + (endDateTime.Year - frontDateTime.Year) * 12;
if (duration % 3 != 0)
{
m_Log.NewEntry(LogLevel.Error, "Not need to write this hedge option because {0} duration is not multiples of 3.", seriesNamesInTheString[0]);
return(isSuccess);
}
if (duration / 3 > 3)
{
m_Log.NewEntry(LogLevel.Error, "Not need to write this hedge option because {0} duration is too large than 3rd curve.", seriesNamesInTheString[0]);
return(isSuccess);
}
int realDuration = duration / m_MonthCycleNumber;
if (realDuration > 0)
{
List <DateTime> hedgeInstrumentStarts = new List <DateTime>();
List <DateTime> hedgeInstrumentEnds = new List <DateTime>();
List <int> quoteRatios = new List <int>();
List <int> hedgeRatios = new List <int>();
int caseNumber = 0;
switch (realDuration)
{
case 1:
// 5 cases in this situation.
// 1: (1,2) to (2,3) 1:-1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(duration));
quoteRatios.Add(1);
hedgeRatios.Add(-1);
caseNumber++;
// 2: (1,2) to (0,1) -1:1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(-duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(-duration));
quoteRatios.Add(-1);
hedgeRatios.Add(1);
caseNumber++;
// 3: (1,2) to (1,3) 2:-1=1
hedgeInstrumentStarts.Add(frontDateTime);
hedgeInstrumentEnds.Add(endDateTime.AddMonths(duration));
quoteRatios.Add(2);
hedgeRatios.Add(-1);
caseNumber++;
// 4: (1,2) to (0,2) -2:1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(-duration));
hedgeInstrumentEnds.Add(endDateTime);
quoteRatios.Add(-2);
hedgeRatios.Add(1);
caseNumber++;
// 5: (1,2) to (0,3) -3:1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(-duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(duration));
quoteRatios.Add(-3);
hedgeRatios.Add(1);
caseNumber++;
break;
case 2:
// 4 cases in this situation.
// 1: (2,4) to (4,6) 1:-1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(duration));
quoteRatios.Add(1);
hedgeRatios.Add(-1);
caseNumber++;
// 2: (2,4) to (3,4) 1:-2=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(duration / 2));
hedgeInstrumentEnds.Add(endDateTime);
quoteRatios.Add(1);
hedgeRatios.Add(-2);
caseNumber++;
// 3: (2,4) to (0,2) -1:1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(-duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(-duration));
quoteRatios.Add(-1);
hedgeRatios.Add(1);
caseNumber++;
// 4: (2,4) to (2,3) -1:2=1
hedgeInstrumentStarts.Add(frontDateTime);
hedgeInstrumentEnds.Add(endDateTime.AddMonths(-duration / 2));
quoteRatios.Add(-1);
hedgeRatios.Add(2);
caseNumber++;
break;
case 3:
// 3 cases in this situation.
// 1: (3,6) to (6,9) 1:-1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(duration));
quoteRatios.Add(1);
hedgeRatios.Add(-1);
caseNumber++;
// 2: (3,6) to (0,3) -1:1=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(-duration));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(-duration));
quoteRatios.Add(-1);
hedgeRatios.Add(1);
caseNumber++;
// 3: (3,6) to (4,5) 1:-3=1
hedgeInstrumentStarts.Add(frontDateTime.AddMonths(duration / 3));
hedgeInstrumentEnds.Add(endDateTime.AddMonths(-duration / 3));
quoteRatios.Add(1);
hedgeRatios.Add(-3);
caseNumber++;
break;
default:
break;
}
bool isFirstHedgeOption = true;
for (int hedgeIndex = 0; hedgeIndex < caseNumber; ++hedgeIndex)
{
string hedgeInstrumentSeriesName = string.Format("Calendar: 1x{0} {1}:-1x{2}",
productName, hedgeInstrumentStarts[hedgeIndex].ToString("MMMyy"),
hedgeInstrumentEnds[hedgeIndex].ToString("MMMyy"));
InstrumentName hedgeInstrument = new InstrumentName(quoteInstrument.Product, hedgeInstrumentSeriesName);
ResultingInstrument resultingInstrument;
if (QTMath.TryComposeResultingInstrument(quoteInstrument, quoteRatios[hedgeIndex],
hedgeInstrument, hedgeRatios[hedgeIndex], m_Log, out resultingInstrument))
{
HedgeOption hedgeOption = new HedgeOption();
hedgeOption.QuoteInstrument = quoteInstrument;
hedgeOption.QuoteWeight = quoteRatios[hedgeIndex];
hedgeOption.ResultingInstrument = resultingInstrument;
hedgeOption.ResultingWeight = 1;
hedgeOption.TryAddInstrumentAndWeight(hedgeInstrument, hedgeRatios[hedgeIndex]);
hedgeOptions.Add(hedgeOption);
}
else
{
m_Log.NewEntry(LogLevel.Error, "Failed to compose resulting instrument for quote {0} and hedge {1}.", quoteInstrument, hedgeInstrument);
return(isSuccess);
}
if (isFirstHedgeOption)
{
isFirstHedgeOption = false;
}
else
{
hedgeOptionsBuilder.Append("|");
}
// Consider the target example:
// 1x{1xGE_U4.-1xGE_Z4}-1x{1xGE_Z4.-1xGE_H5}=1x{1xGE_U4.-2xGE_Z4.1xGE_H5}|-1x{1xGE_U4.-1xGE_Z4}+1x{1xGE_M4.-1xGE_U4}=1x{1xGE_M4.-2xGE_U4.1xGE_Z4}
// |2x{1xGE_U4.-1xGE_Z4}-1x{1xGE_U4.-1xGE_H5}=1x{1xGE_U4.-2xGE_Z4.1xGE_H5}|-2x{1xGE_U4.-1xGE_Z4}+1x{1xGE_M4.-1xGE_Z4}=1x{1xGE_M4.-2xGE_U4.1xGE_Z4}
// |-3x{1xGE_U4.-1xGE_Z4}+1x{1xGE_M4.-1xGE_H5}=1x{1xGE_M4.-3xGE_U4.3xGE_Z4.-1xGE_H5}
string quoteInstrumentDatabaseName;
string hedgeInstrumentDatabaseName;
if (!QTMath.TryConvertInstrumentNameToInstrumentNameDatabase(quoteInstrument, m_Log, out quoteInstrumentDatabaseName))
{
m_Log.NewEntry(LogLevel.Error, "Failed to get instrument database name for instrument {0}.", quoteInstrument);
return(isSuccess);
}
if (!QTMath.TryConvertInstrumentNameToInstrumentNameDatabase(hedgeInstrument, m_Log, out hedgeInstrumentDatabaseName))
{
m_Log.NewEntry(LogLevel.Error, "Failed to get instrument database name for instrument {0}.", hedgeInstrument);
return(isSuccess);
}
string hedgeWeightWithSigned = hedgeRatios[hedgeIndex] > 0 ? string.Format("+{0}", hedgeRatios[hedgeIndex]) : (hedgeRatios[hedgeIndex].ToString());
hedgeOptionsBuilder.AppendFormat("{0}x{{{1}}}{2}x{{{3}}}=1x{{{4}}}", quoteRatios[hedgeIndex], quoteInstrumentDatabaseName,
hedgeWeightWithSigned, hedgeInstrumentDatabaseName, resultingInstrument.ResultingInstrumentNameDataBase);
}
hedgeOptionsString = hedgeOptionsBuilder.ToString();
isSuccess = true;
}
else
{
m_Log.NewEntry(LogLevel.Error, "Duration smaller or equal than 0 for instrument {0}.", quoteInstrument);
return(isSuccess);
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "Series name does not have two month years for this instrument {0}.", quoteInstrument);
return(isSuccess);
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "No product type is handled for this instrument {0}.", quoteInstrument);
return(isSuccess);
}
break;
default:
break;
}
return(isSuccess);
}
// *****************************************************************
// **** Private Methods ****
// *****************************************************************
//
//
//
//
/// <summary>
/// This function will generate resulting instruments for the quote instrument.
/// Also, it will generate the ratios and hedge instruments in that resulting instrument.
/// </summary>
/// <param name="instrumentInfoItem"></param>
/// <returns></returns>
public bool TryGenerateHedgeOptions(InstrumentName quoteInstrument, InstrumentInfoItem instrumentInfoItem, HedgeOptions hedgeOptions)
{
bool isSuccess = false;
string hedgeOptionString = instrumentInfoItem.HedgeOptions;
// Consider the target example:
// 1x{1xGE_U4.-1xGE_Z4}-1x{1xGE_Z4.-1xGE_H5}=1x{1xGE_U4.-2xGE_Z4.1xGE_H5}|-1x{1xGE_U4.-1xGE_Z4}+1x{1xGE_M4.-1xGE_U4}=1x{1xGE_M4.-2xGE_U4.1xGE_Z4}
// |2x{1xGE_U4.-1xGE_Z4}-1x{1xGE_U4.-1xGE_H5}=1x{1xGE_U4.-2xGE_Z4.1xGE_H5}|-2x{1xGE_U4.-1xGE_Z4}+1x{1xGE_M4.-1xGE_Z4}=1x{1xGE_M4.-2xGE_U4.1xGE_Z4}
// |-3x{1xGE_U4.-1xGE_Z4}+1x{1xGE_M4.-1xGE_H5}=1x{1xGE_M4.-3xGE_U4.3xGE_Z4.-1xGE_H5}
// First step: Parse different hedges and resulting instruments.
char seperator = '|';
string[] hedgeOptionUnits = hedgeOptionString.Split(new char[] { seperator }, StringSplitOptions.RemoveEmptyEntries);
if (hedgeOptionUnits.Length > 0)
{
string exchangeName = quoteInstrument.Product.Exchange;
List <string> matchedResults = new List <string>();
foreach (string hedgeOptionUnit in hedgeOptionUnits)
{
// Second step: Parse hedge instruments and resulting instruments.
// Target: 1x{1xGE_U4.-1xGE_Z4}-1x{1xGE_Z4.-1xGE_H5}=1x{1xGE_U4.-2xGE_Z4.1xGE_H5}
seperator = '=';
string[] hedgeAndResultingInstruments = hedgeOptionUnit.Split(new char[] { seperator }, StringSplitOptions.RemoveEmptyEntries);
if (hedgeAndResultingInstruments.Length == 2)
{
HedgeOption hedgeOption = null;
bool isQuoteInstrument = false; // Quote instrument always the first.
// Third step: Parse hedge instruments further by their weights.
// Target: 1x{1xGE_U4.-1xGE_Z4}-1x{1xGE_Z4.-1xGE_H5}
string hedgeInstrumentsPart = hedgeAndResultingInstruments[0];
string pattern = @"-?\d+x{[^}]+}";
matchedResults.Clear();
MatchCollection matchCollection = Regex.Matches(hedgeInstrumentsPart, pattern);
foreach (Match match in matchCollection)
{
string matchedValue = match.Value;
matchedResults.Add(matchedValue);
}
// Fourth step: Parse weight and instrument name for each hedge instrument.
// Target: 1x{1xGE_U4.-1xGE_Z4}
foreach (string matchedInstrument in matchedResults)
{
int weight = 0;
// 1. Weight:
string firstPart = matchedInstrument.Substring(0, matchedInstrument.IndexOf('x'));
if (int.TryParse(firstPart, out weight) && weight != 0)
{
// 2. Name:
pattern = @"\{(?<hedgeName>\S+)\}";
Match match = Regex.Match(matchedInstrument, pattern);
string name = match.Groups["hedgeName"].Value;
// Fifth step: Parse instrument name out.
//// There may be alternative way to do it. The data base contains the instrument name TT and we may use that.
// Target: 1xGE_U4.-1xGE_Z4
InstrumentName instrumentComposed = quoteInstrument;
if (QTMath.TryComposeInstrumentName(name, quoteInstrument, m_Log, out instrumentComposed))
{
if (!isQuoteInstrument)
{
hedgeOption = new HedgeOption();
hedgeOption.QuoteInstrument = instrumentComposed;
hedgeOption.QuoteWeight = weight;
hedgeOption.TryAddInstrumentAndWeight(instrumentComposed, weight);
isQuoteInstrument = true;
}
else
{
if (instrumentComposed != quoteInstrument)
{
hedgeOption.TryAddInstrumentAndWeight(instrumentComposed, weight);
}
else
{
m_Log.NewEntry(LogLevel.Error, "instrument composed same as quote instrument {0}.", instrumentComposed);
return(isSuccess);
}
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "Failed to compose instrument name for string {0}.", name);
return(isSuccess);
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "instrument weight parse failed for {0}.", matchedInstrument);
return(isSuccess);
}
}
// If the hedge option exists.
if (hedgeOption != null)
{
// Sixth step: Continue to read the resulting instrument if hedge option is valid.
// Target: 1x{1xGE_U4.-2xGE_Z4.1xGE_H5}
string resultingInstrumentPart = hedgeAndResultingInstruments[1];
// 1.Weight:
string weightString = resultingInstrumentPart.Substring(0, resultingInstrumentPart.IndexOf('x'));
int resultingWeight = 0;
if (int.TryParse(weightString, out resultingWeight) && resultingWeight != 0)
{
// 2.Name:
pattern = @"\{(?<resultingName>\S+)\}";
Match match = Regex.Match(resultingInstrumentPart, pattern);
string resultingInstrumentName = match.Groups["resultingName"].Value;
ResultingInstrument resultingInstrument = new ResultingInstrument();
resultingInstrument.ResultingInstrumentNameDataBase = resultingInstrumentName;
hedgeOption.ResultingInstrument = resultingInstrument;
hedgeOption.ResultingWeight = resultingWeight;
// 3. Compose resulting instrument name:
InstrumentName instrumentComposed = quoteInstrument;
if (QTMath.TryComposeInstrumentName(resultingInstrumentName, quoteInstrument, m_Log, out instrumentComposed))
{
resultingInstrument.ResultingInstrumentName = instrumentComposed;
resultingInstrument.ResultingInstrumentNameTT = instrumentComposed.FullName;
if (!hedgeOptions.TryAddHedgeOption(hedgeOption))
{
m_Log.NewEntry(LogLevel.Error, "Failed to add hedge option for instrument {0}.", quoteInstrument);
return(isSuccess);
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "Failed to compose instrument name for string {0}.", resultingInstrumentName);
return(isSuccess);
}
}
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "hedge and resulting instruments parse failed for string {0}.", hedgeOptionUnit);
return(isSuccess);
}
}
isSuccess = true;
}
else
{
m_Log.NewEntry(LogLevel.Error, "hedge options parse failed for string {0}.", hedgeOptionString);
return(isSuccess);
}
return(isSuccess);
}
