// *****************************************************************
// **** Public Methods ****
// *****************************************************************
//
//
//
//
//
//
/// <summary>
/// This function will generate hedge options. It checks whether the instrument name TT from the database equals to instrument full name.
/// This is why that it is made static constructor.
/// </summary>
/// <param name="instrumentName"></param>
/// <param name="instrumentNameTT"></param>
/// <param name="instrumentNameDatabase"></param>
/// <returns></returns>
public static bool TryCreateHedgeOptions(InstrumentName instrumentName, string instrumentNameTT, string instrumentNameDatabase, LogHub log, out HedgeOptions hedgeOptions)
{
bool isSuccess = false;
hedgeOptions = null;
string instrumentFullName = instrumentName.FullName;
if (instrumentFullName.Equals(instrumentNameTT))
{
hedgeOptions = new HedgeOptions(instrumentName, instrumentNameTT, instrumentNameDatabase, log);
isSuccess = true;
}
else
{
log.NewEntry(LogLevel.Error, "TT instrument name from database {0} not same as instrument full name from TT {1}.", instrumentNameTT, instrumentFullName);
}
return(isSuccess);
}
// *****************************************************************
// **** Properties ****
// *****************************************************************
//
//
#endregion//Properties
#region Public Methods
// *****************************************************************
// **** Public Methods ****
// *****************************************************************
//
//
//
//
//
//
/// <summary>
/// This function will read the hedge options information from the resulting query.
/// One instrument hedge options can only be read once, otherwise error jumps out.
/// </summary>
/// <param name="queryResult"></param>
/// <returns></returns>
public bool TryReadHedgeOptionsInformation(InstrumentInfoQuery queryResult)
{
bool isSuccess = false;
InstrumentName quoteInstrument = queryResult.InstrumentName;
List <InstrumentInfoItem> instrumentInfoItems = queryResult.Results;
// Normally only one element in the list above is relevant and the dimension for the result is 1 normally.
foreach (InstrumentInfoItem instrumentInfoItem in instrumentInfoItems)
{
if (m_HedgeOptionsByInstrumentName.ContainsKey(quoteInstrument))
{
m_Log.NewEntry(LogLevel.Error, "Hedge options already setup for instrument {0}.", quoteInstrument);
continue;
}
else
{
string instrumentNameTT = instrumentInfoItem.InstrumentNameTT;
string instrumentNameDatabase = instrumentInfoItem.InstrumentNameDatabase;
HedgeOptions hedgeOptions;
if (HedgeOptions.TryCreateHedgeOptions(quoteInstrument, instrumentNameTT, instrumentNameDatabase, m_Log, out hedgeOptions))
{
if (!TryGenerateHedgeOptions(quoteInstrument, instrumentInfoItem, hedgeOptions))
{
m_Log.NewEntry(LogLevel.Error, "Failed to generate hedge options for instrument {0}.", quoteInstrument);
}
else
{
m_HedgeOptionsByInstrumentName.Add(quoteInstrument, hedgeOptions);
isSuccess = true;
}
}
else
{
m_Log.NewEntry(LogLevel.Error, "Failed to create hedge options for instrument {0}.", quoteInstrument);
}
}
}
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);
}