ExpiryKVolMatrix Example VBA

VBA Example - ExpiryKVolMatrix![]() ![]() ![]() ![]() ![]() ' ################################################################################## ' The first function here ExpiryKVolMatrix(), contains a series of ' function calls leading upto the main function call, the second function ' within this file ( ExpiryKVolMatrixPart() ). ' which contains the answer that we are looking for.![]() ' The first function here is simply an example of how to construct the parameters ' in order acquire either a string Key (that is to be passed to other functions) ' or a computed result.![]() ' If you are viewing this source code from the chm or web help file you can use the ' outlining features to collapse certain sections of the code for better readability. ' ################################################################################## ![]() ![]() ' Add a reference to the CTQL_VBA_API.xla file via the Tools->Reference menu (within the VBA editor). ' This holds VBA class objects for communicating with the CTQuantToolsXL20.dll Excel Addin ' This XLA does not use COM and has access to all the financial objects created via the spreadsheet functions.![]() ![]() ' Some global parameter in order to append to user defined keys. ' We use it here to ensure that we have unique Keys (in the case several of our examples ' use the same key-name) ' In normal use, a user defined string will be used and so this variable will be pointless. Global nCTVolatiltyCurvesGlobal As Long Public Function VB_EX_ExpiryKVolMatrix() As String![]() nCTVolatiltyCurvesGlobal = nCTVolatiltyCurvesGlobal + 1 On Error GoTo err_Generic ![]() ' Creates a centralized valuation date object.![]() Dim MyValuationDate As String MyValuationDate = _ ValueDateObjPart()![]() ![]() ![]() ' UK date calendar used within the UK stock exchange.![]() Dim MyCALUKExchange As String MyCALUKExchange = _ CALUKExchangePart()![]() ![]() ![]() ' EURO calendar used for holiday adjustments.![]() Dim MyEuroCal As String MyEuroCal = _ CALEUROPart()![]() ![]() ![]() ' Creates a Deposit template which is almost identical to a Libor ' Index, but without the YieldCurve information. Dim MyDepoTPL As String MyDepoTPL = _ CreateDepoTemplatePart( _ MyCALUKExchange, _ MyEuroCal)![]() ![]() ![]() ' Creates a Swap template which is almost identical to the definition ' of the parameters of a swap contract, but without the swap duration, ' buysell, and YieldCurve information. Dim MySwapTPL As String MySwapTPL = _ CreateSwapTemplatePart( _ MyEuroCal, _ MyDepoTPL)![]() ![]() ![]() ' Creates a volatility matrix. Dim MyExpiryKVolMatrix As String MyExpiryKVolMatrix = _ ExpiryKVolMatrixPart( _ MyValuationDate, _ MyDepoTPL, _ MySwapTPL)![]() ' This is the result we are looking for. VB_EX_ExpiryKVolMatrix = MyExpiryKVolMatrix![]() Exit Function err_Generic: MsgBox "Error: " & Err.Number & vbCrLf & Err.Description End Function ![]() ![]() ' ///////////////////////////////////////////////////////////////////![]() Private Function ExpiryKVolMatrixPart( _ MyValuationDate As String, _ MyDepoTPL As String, _ MySwapTPL As String) As String![]() ![]() ' Create example range for parameter ExpiryKVolMatrix_volRange![]() ![]() Dim ExpiryKVolMatrix_volRange As Variant ExpiryKVolMatrix_volRange = vRange.RangeFromStr _ ( _ CStr("{") + _ CStr("'Opt\Strike' | 0.02 | 0.025 | 0.03 | 0.035 | 0.04 | 0.045 | 0.05 | 0.055 | 0.06 | 0.065 | 0.07 ;") + _ CStr("'3M' | 21.33 | 20.33 | 19.53 | 18.93 | 18.53 | 18.33 | 18.53 | 18.93 | 19.53 | 20.33 | 21.33 ;") + _ CStr("'6M' | 21.23 | 20.23 | 19.43 | 18.83 | 18.43 | 18.23 | 18.43 | 18.83 | 19.43 | 20.23 | 21.23 ;") + _ CStr("'9M' | 21.29 | 20.29 | 19.49 | 18.89 | 18.49 | 18.29 | 18.49 | 18.89 | 19.49 | 20.29 | 21.29 ;") + _ CStr("'12M' | 21.35 | 20.35 | 19.55 | 18.95 | 18.55 | 18.35 | 18.55 | 18.95 | 19.55 | 20.35 | 21.35 ;") + _ CStr("'2Y' | 21.37 | 20.37 | 19.57 | 18.97 | 18.57 | 18.37 | 18.57 | 18.97 | 19.57 | 20.37 | 21.37 ;") + _ CStr("'4Y' | 21.34 | 20.34 | 19.54 | 18.94 | 18.54 | 18.34 | 18.54 | 18.94 | 19.54 | 20.34 | 21.34 ;") + _ CStr("'6Y' | 21.37 | 20.37 | 19.57 | 18.97 | 18.57 | 18.37 | 18.57 | 18.97 | 19.57 | 20.37 | 21.37 ;") + _ CStr("'8Y' | 21.35 | 20.35 | 19.55 | 18.95 | 18.55 | 18.35 | 18.55 | 18.95 | 19.55 | 20.35 | 21.35 ;") + _ CStr("'10Y' | 21.37 | 20.37 | 19.57 | 18.97 | 18.57 | 18.37 | 18.57 | 18.97 | 19.57 | 20.37 | 21.37 ;") + _ CStr("'12Y' | 21.4 | 20.4 | 19.6 | 19 | 18.6 | 18.4 | 18.6 | 19 | 19.6 | 20.4 | 21.4 ;") + _ CStr("'14Y' | 21.25 | 20.25 | 19.45 | 18.85 | 18.45 | 18.25 | 18.45 | 18.85 | 19.45 | 20.25 | 21.25 ;") + _ CStr("'16Y' | 21.38 | 20.38 | 19.58 | 18.98 | 18.58 | 18.38 | 18.58 | 18.98 | 19.58 | 20.38 | 21.38 ;") + _ CStr("'18Y' | 21.29 | 20.29 | 19.49 | 18.89 | 18.49 | 18.29 | 18.49 | 18.89 | 19.49 | 20.29 | 21.29 ;") + _ CStr("'20Y' | 21.21 | 20.21 | 19.41 | 18.81 | 18.41 | 18.21 | 18.41 | 18.81 | 19.41 | 20.21 | 21.21 ;") + _ CStr("'22Y' | 21.33 | 20.33 | 19.53 | 18.93 | 18.53 | 18.33 | 18.53 | 18.93 | 19.53 | 20.33 | 21.33") + _ CStr("}") _ ) ![]() ![]() ![]() ' Key value to use as a handle for the created object Dim MyExpiryKVolMatrix As String MyExpiryKVolMatrix = "MyExpiryKVolMatrix" & "_" & CStr(nCTVolatiltyCurvesGlobal)![]() ![]() ' When creating this object for the first time, set this parameter ' to a positive value. Dim Reload As Long Reload = 1![]() ![]() ' A tag used to identify this curve (case insensitive) if placed ' within a Volatility curve collection ( via the GroupedVolCurves() ' function ). Dim CurveName As String CurveName = "MyExpiryKVolMatrix"![]() ![]() ' Number of days between the Exercise date of the options and ' the STARTDATE of the instrument. Dim SettleDays As Long SettleDays = 2![]() ![]() ' Is the input volatility entered as a percentage value (true), ' or the raw volatility value (false). Dim DivideVolBy100 As Boolean DivideVolBy100 = true![]() ![]() ' The actual underlying that the Volatility matrix represents. Dim UndTenor As String UndTenor = "5Y"![]() ![]() ' DayCounter for converting dates into year fractions. Dim DayCount As String DayCount = "30360"![]() ![]() ' Interpolation method to use when interpolating the curve for ' vols, - LINEAR, LOGLINEAR, CUBIC. Dim InterpType As String InterpType = "LINEAR"![]() ' Excel function call is : "CT.CRV.ExpiryKVolMatrix()"![]() ' Creates a volatility matrix. Dim rExpiryKVolMatrix As String ' We call the CreateCTVolatiltyCurves() function via the CTQL module exposed from the CTQL_VBA_API.xla addin. Dim oCTVolatiltyCurves As CTVolatiltyCurves Set oCTVolatiltyCurves = CTQL.CreateCTVolatiltyCurves() rExpiryKVolMatrix = oCTVolatiltyCurves.ExpiryKVolMatrix( _ MyExpiryKVolMatrix, _ Reload, _ CurveName, _ MyValuationDate, _ SettleDays, _ ExpiryKVolMatrix_volRange, _ DivideVolBy100, _ UndTenor, _ MyDepoTPL, _ MySwapTPL, _ DayCount, _ InterpType)![]() ![]() ExpiryKVolMatrixPart = rExpiryKVolMatrix End Function ![]() ![]() ![]() ![]() |