BK_ExtremeSpreadOption




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Option on the difference between the observed maximum or minimum from two different time periods.

1=Extreme spread call, 2=Extreme spread put, 3=Reverse extreme spread call, 4=Reverse extreme spread call.

This function utilizes an analytical (closed-form) algorithm.

Note that the risk (greek) numbers produced are the mathematically defined equivalent of a derivative (instantaneous change).

You can convert the risk number to your own definition of risk by multiplying by the shift you require.

For example, for a typical definition of VANNA, (change in underlying and volatility), where one defines the change in the underlying as a single unit of change (1.0) and the change in volatility as a one percent change (0.01), simply multiply the VANNA result calculated by (1.0*0.01).

For VEGA, change in volatility of one percent (0.01), simply multiply the VEGA result by 0.01. Within option contracts THETA is negative, however the mathematically defined equivalent of THETA (instantaneous FORWARD change in time) is positive.

Internally we have negated this value for you.

To express THETA as THETA per day, simply multiply the THETA result by 1/365 or 1/252 (depending on whether you require calendar days or business days).

This function stores a portfolio of equity, commodities, futures or FX options in memory and returns a key.

This allows you to price or query the portfolio for different value dates via just the portfolio key.

You can price the portfolio via the PriceOptionBook() function.

You can view the trades within the portfolio via the DisplayOptionBook() function.

The DisplayOptionBook() function allows you to sort the portfolio using any column (or combination of columns).

A column is simply the NAME of any of the parameters within this function (excluding the 'TradeKey' and 'Reload' parameters).

In addition you can create a new portfolio object from this object by grouping trades within the portfolio, for example by Currency, Units, Sector etc..., using the GroupOptionBook() function.

You simply provide the NAME of the parameters that you wish to group.

Groups can represent more than one column and thus enables you to price a portion of the portfolio (a group) using the same PriceOptionBook() function.

You can view the grouped names within the grouped portfolio via the DisplayOptionGroups() function.

You can view the trades within a group via the DisplayGRPOptionBook() function.

Furthermore you can create a new portfolio from this portfolio object by selecting a portion of the trades (via a sql-like language).

Again this portfolio can be priced via the PriceOptionBook() function.

You can also execute the WriteXLRange(), WriteXLRange2() or WriteXLRange3() and the corresponding ReadXLRange(), ReadXLRange2() or ReadXLRange3() functions in order to read and write the portfolio data to file (XML).

WriteXLRange2() is preferable as you can save each of the ranges of this function to different slots (total of 15) within the XML file.



This function creates an object and returns a string-key value to represent this created object.
The TAG value of the string-key returned (second part of the key) is : "ExtremeSpreadOption"



Note: Within Excel, the function is named - CT.BK_ExtremeSpreadOption


High level graphic of BK_ExtremeSpreadOption() function with parameters. Blue square node is the actual function with the parameters ordered.



Parameter Description


  1. TradeKey parameter

    User Handle used to retrieve the object
  2. Reload parameter

    When creating this object for the first time, set this parameter to a positive value. Within Excel, when recomputing a worksheet where you do not wish to recreate the object, set this parameter to zero (0).
  3. ID parameter

    Identifier of deal. Used in order to index within the portfolio.
  4. TAG parameter

    User defined Tag. The information within this column can be used within the 'CapeTools Select Sub-Portfolios' or 'CapeTools Group Sub-Portfolios' categories of functions.
  5. Ccy parameter

    Currency of the portfolio.
  6. Units parameter

    Number of option contracts you wish to trade in (positive value).
  7. Position parameter

    Whether you are long or short the option.
  8. ExtremeType parameter

    Option Types 1=SC, 2=SP, 3=RSC, 4=RSP
  9. Underlying parameter

    Underlying price
  10. Smin parameter

    Minimum underlying price observed thus far
  11. Smax parameter

    Maximum underlying price observed thus far
  12. Timet1 parameter

    First period, starting Today and ending at dTimet1. Specify the value of dTimet1 here.
  13. TimeT2 parameter

    Second period, starting at dTimet1 and ending at dTimeT2. Specify the value of dTimeT2 here.
  14. Rate parameter

    For the underlying (equity, futures, FX or commodity), this should be an annualised rate (risk free rate or foreign rate). If this is an option on a FX underlying, then if the underlying is quoted as domestic/foreign then this rate will be the domestic rate. If, however, the FX underlying is quoted as foreign/domestic then this will be the foreign rate.
  15. B parameter

    For the underlying (equity, futures, FX or commodity), this should be an annualised rate (dividend rate, risk free rate, foreign rate or holding cost rate respectively). If this is an option on a FX underlying, then if the underlying is quoted as domestic/foreign then this rate will be the foreign rate. If, however, the FX underlying is quoted as foreign/domestic then this will be the domestic rate.
  16. Vol parameter

    Volatility of the underlying.


Extended information

Function Syntax

VB Syntax 


String CTStorage.BK_ExtremeSpreadOption( _
String TradeKey, _
Long Reload, _
Variant ID, _
Variant TAG, _
Variant Ccy, _
Variant Units, _
Variant Position, _
Variant ExtremeType, _
Variant Underlying, _
Variant Smin, _
Variant Smax, _
Variant Timet1, _
Variant TimeT2, _
Variant Rate, _
Variant B, _
Variant Vol)


Excel Spreadsheet Syntax 


=CT.BK_ExtremeSpreadOption(
Excel String Cell TradeKey,
Excel Numeric Cell Reload,
XLRange ID,
XLRange TAG,
XLRange Ccy,
XLRange Units,
XLRange Position,
XLRange ExtremeType,
XLRange Underlying,
XLRange Smin,
XLRange Smax,
XLRange Timet1,
XLRange TimeT2,
XLRange Rate,
XLRange B,
XLRange Vol)


C++ Syntax 


static std::string BK_ExtremeSpreadOption(
std::string TradeKey,
long Reload,
CTRangeDataCPP ID,
CTRangeDataCPP TAG,
CTRangeDataCPP Ccy,
CTRangeDataCPP Units,
CTRangeDataCPP Position,
CTRangeDataCPP ExtremeType,
CTRangeDataCPP Underlying,
CTRangeDataCPP Smin,
CTRangeDataCPP Smax,
CTRangeDataCPP Timet1,
CTRangeDataCPP TimeT2,
CTRangeDataCPP Rate,
CTRangeDataCPP B,
CTRangeDataCPP Vol);


DotNET Syntax 


System.String CTStorageSA.BK_ExtremeSpreadOption(
System.String TradeKey,
System.Int32 Reload,
CTRangeData ID,
CTRangeData TAG,
CTRangeData Ccy,
CTRangeData Units,
CTRangeData Position,
CTRangeData ExtremeType,
CTRangeData Underlying,
CTRangeData Smin,
CTRangeData Smax,
CTRangeData Timet1,
CTRangeData TimeT2,
CTRangeData Rate,
CTRangeData B,
CTRangeData Vol);

Parameter data types

ArgNameArgTypeIsKey
TradeKeyStringFALSE
ReloadLongFALSE
IDRangeFALSE
TAGRangeFALSE
CcyRangeFALSE
UnitsRangeFALSE
PositionRangeFALSE
ExtremeTypeRangeFALSE
UnderlyingRangeFALSE
SminRangeFALSE
SmaxRangeFALSE
Timet1RangeFALSE
TimeT2RangeFALSE
RateRangeFALSE
BRangeFALSE
VolRangeFALSE

Example Inputs

The first column represents the name of the parameters. The second column specifies whether the parameters are optional or not. Finally the last column provides some sample input data.
Function call input string-keys are always in the format : "NAME.EXTTAG.TICKER" The "EXTTAG.TICKER" part is determined from the output of other, capetools, object creation functions.


ArgNameIsOptional (Excel only)Example
TradeKeyFALSEMyBK_ExtremeSpreadOptionDeal
ReloadFALSE1
IDFALSEBK_ExtremeSpreadOption_ID_Range (creates a range object)
TAGFALSEBK_ExtremeSpreadOption_TAG_Range (creates a range object)
CcyFALSEBK_ExtremeSpreadOption_Ccy_Range (creates a range object)
UnitsFALSEBK_ExtremeSpreadOption_Units_Range (creates a range object)
PositionFALSEBK_ExtremeSpreadOption_Position_Range (creates a range object)
ExtremeTypeFALSEBK_ExtremeSpreadOption_ExtremeType_Range (creates a range object)
UnderlyingFALSEBK_ExtremeSpreadOption_Underlying_Range (creates a range object)
SminFALSEBK_ExtremeSpreadOption_Smin_Range (creates a range object)
SmaxFALSEBK_ExtremeSpreadOption_Smax_Range (creates a range object)
Timet1FALSEBK_ExtremeSpreadOption_Timet1_Range (creates a range object)
TimeT2FALSEBK_ExtremeSpreadOption_TimeT2_Range (creates a range object)
RateFALSEBK_ExtremeSpreadOption_Rate_Range (creates a range object)
BFALSEBK_ExtremeSpreadOption_B_Range (creates a range object)
VolFALSEBK_ExtremeSpreadOption_Vol_Range (creates a range object)


Example range for parameter : ID

Within Excel, a range such as this can be passed directly into the ID parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : ID 


CTQL.CTRangeData BK_ExtremeSpreadOption_ID;


string[] arrBBK_ExtremeSpreadOption_ID = {
"DEAL-11",
"DEAL-12",
"DEAL-13",
"DEAL-14",
"DEAL-15",
"DEAL-16",
"DEAL-17",
"DEAL-18",
"DEAL-19",
"DEAL-20",
"DEAL-21",
"DEAL-22",
"DEAL-23",
"DEAL-24",
"DEAL-25",
"DEAL-26",
"DEAL-27",
"DEAL-28",
"DEAL-29",
"DEAL-30"  //  Array Data

};

CTQL.StringVector arrBK_ExtremeSpreadOption_ID =
new  CTQL.StringVector(arrBBK_ExtremeSpreadOption_ID);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_ID = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_ID, false);

Example range for parameter : TAG

Within Excel, a range such as this can be passed directly into the TAG parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : TAG 


CTQL.CTRangeData BK_ExtremeSpreadOption_TAG;


string[] arrBBK_ExtremeSpreadOption_TAG = {
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG1",
"TAG2",
"TAG2",
"TAG2",
"TAG2",
"TAG2",
"TAG2",
"TAG2",
"TAG2",
"TAG2",
"TAG2"  //  Array Data

};

CTQL.StringVector arrBK_ExtremeSpreadOption_TAG =
new  CTQL.StringVector(arrBBK_ExtremeSpreadOption_TAG);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_TAG = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_TAG, false);

Example range for parameter : Ccy

Within Excel, a range such as this can be passed directly into the Ccy parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Ccy 


CTQL.CTRangeData BK_ExtremeSpreadOption_Ccy;


string[] arrBBK_ExtremeSpreadOption_Ccy = {
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"EUR",
"GBP",
"GBP"  //  Array Data

};

CTQL.StringVector arrBK_ExtremeSpreadOption_Ccy =
new  CTQL.StringVector(arrBBK_ExtremeSpreadOption_Ccy);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Ccy = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Ccy, false);

Example range for parameter : Units

Within Excel, a range such as this can be passed directly into the Units parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Units 


CTQL.CTRangeData BK_ExtremeSpreadOption_Units;


int[] arrBBK_ExtremeSpreadOption_Units = {
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_Units =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_Units);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Units = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Units, false);

Example range for parameter : Position

Within Excel, a range such as this can be passed directly into the Position parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Position 


CTQL.CTRangeData BK_ExtremeSpreadOption_Position;


string[] arrBBK_ExtremeSpreadOption_Position = {
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG",
"LONG"  //  Array Data

};

CTQL.StringVector arrBK_ExtremeSpreadOption_Position =
new  CTQL.StringVector(arrBBK_ExtremeSpreadOption_Position);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Position = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Position, false);

Example range for parameter : ExtremeType

Within Excel, a range such as this can be passed directly into the ExtremeType parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : ExtremeType 


CTQL.CTRangeData BK_ExtremeSpreadOption_ExtremeType;


int[] arrBBK_ExtremeSpreadOption_ExtremeType = {
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_ExtremeType =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_ExtremeType);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_ExtremeType = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_ExtremeType, false);

Example range for parameter : Underlying

Within Excel, a range such as this can be passed directly into the Underlying parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Underlying 


CTQL.CTRangeData BK_ExtremeSpreadOption_Underlying;


int[] arrBBK_ExtremeSpreadOption_Underlying = {
93,
94,
101,
97,
109,
108,
93,
102,
100,
105,
93,
109,
99,
95,
95,
96,
105,
101,
106,
100  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_Underlying =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_Underlying);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Underlying = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Underlying, false);

Example range for parameter : Smin

Within Excel, a range such as this can be passed directly into the Smin parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Smin 


CTQL.CTRangeData BK_ExtremeSpreadOption_Smin;


int[] arrBBK_ExtremeSpreadOption_Smin = {
85,
85,
75,
76,
72,
81,
80,
74,
80,
88,
82,
84,
83,
83,
73,
88,
84,
83,
76,
80  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_Smin =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_Smin);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Smin = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Smin, false);

Example range for parameter : Smax

Within Excel, a range such as this can be passed directly into the Smax parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Smax 


CTQL.CTRangeData BK_ExtremeSpreadOption_Smax;


int[] arrBBK_ExtremeSpreadOption_Smax = {
127,
129,
115,
110,
121,
114,
124,
130,
126,
127,
124,
111,
123,
128,
131,
111,
113,
130,
119,
120  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_Smax =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_Smax);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Smax = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Smax, false);

Example range for parameter : Timet1

Within Excel, a range such as this can be passed directly into the Timet1 parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Timet1 


CTQL.CTRangeData BK_ExtremeSpreadOption_Timet1;


int[] arrBBK_ExtremeSpreadOption_Timet1 = {
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy"),
CTQL.Date.serialNumber("18/10/2005", "dd/mm/yyyy")  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_Timet1 =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_Timet1);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Timet1 = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Timet1, false);

Example range for parameter : TimeT2

Within Excel, a range such as this can be passed directly into the TimeT2 parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : TimeT2 


CTQL.CTRangeData BK_ExtremeSpreadOption_TimeT2;


int[] arrBBK_ExtremeSpreadOption_TimeT2 = {
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy"),
CTQL.Date.serialNumber("19/7/2006", "dd/mm/yyyy")  //  Array Data

};

CTQL.IntVector arrBK_ExtremeSpreadOption_TimeT2 =
new  CTQL.IntVector(arrBBK_ExtremeSpreadOption_TimeT2);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_TimeT2 = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_TimeT2, false);

Example range for parameter : Rate

Within Excel, a range such as this can be passed directly into the Rate parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Rate 


CTQL.CTRangeData BK_ExtremeSpreadOption_Rate;


double[] arrBBK_ExtremeSpreadOption_Rate = {
0.1076,
0.0909,
0.1076,
0.0909,
0.0996,
0.102,
0.0981,
0.0933,
0.0963,
0.1049,
0.0952,
0.1099,
0.1082,
0.1097,
0.1048,
0.0943,
0.1003,
0.1022,
0.1058,
0.1  //  Array Data

};

CTQL.DoubleVector arrBK_ExtremeSpreadOption_Rate =
new  CTQL.DoubleVector(arrBBK_ExtremeSpreadOption_Rate);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Rate = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Rate, false);

Example range for parameter : B

Within Excel, a range such as this can be passed directly into the B parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : B 


CTQL.CTRangeData BK_ExtremeSpreadOption_B = new CTQL.CTRangeData();

System.Text.StringBuilder BK_ExtremeSpreadOption_B_builder =
new System.Text.StringBuilder(100);

BK_ExtremeSpreadOption_B_builder.Append("{");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0 ;");
BK_ExtremeSpreadOption_B_builder.Append("0.00");
BK_ExtremeSpreadOption_B_builder.Append("}");

// Parse the string into the Range object.
BK_ExtremeSpreadOption_B.RangeFromStr( BK_ExtremeSpreadOption_B_builder.ToString() );

Example range for parameter : Vol

Within Excel, a range such as this can be passed directly into the Vol parameter.


Data is stored within the second column (Vector of data)..

Example C# API usage for setting the range data for parameter : Vol 


CTQL.CTRangeData BK_ExtremeSpreadOption_Vol;


double[] arrBBK_ExtremeSpreadOption_Vol = {
0.2906,
0.2726,
0.276,
0.3087,
0.2881,
0.2787,
0.2769,
0.3234,
0.3265,
0.2908,
0.2936,
0.3087,
0.2791,
0.3027,
0.3039,
0.2752,
0.2825,
0.2982,
0.3147,
0.3  //  Array Data

};

CTQL.DoubleVector arrBK_ExtremeSpreadOption_Vol =
new  CTQL.DoubleVector(arrBBK_ExtremeSpreadOption_Vol);

// Second parameter determines whether the array is a column array (false) or a row array (true)
BK_ExtremeSpreadOption_Vol = new  CTQL.CTRangeData(arrBK_ExtremeSpreadOption_Vol, false);


Example function usage


The C# example below contains all the sub-function calls leading up to this function call. As a result, the example can contain a lot of code.

The VB.NET, J#, C++.NET, Java, Excel VBA, Visual Basic 6 (via COM) and C++ examples below contain function code stubs for the calls leading up to this function call. However, the function call for this function is displayed.
You can easily reproduce the stub functions code from the C# example.


If you are accessing this functrion via the MiniXL libraries, this function is present within the CT.QL.OptionPortfolios20 MiniXL Excel Addin.

Within our Excel Example Addin Generator, we have used the following QuantTools sub-functions in order to prepare the arguments needed to call the BK_ExtremeSpreadOption() function. If you are executing this function via the MiniXL libraries, the module addin name, (in brackets, to the right of the sub-functions listed below), indicates the MiniXL library in which the sub-function is held. You will need to load this library into your Excel session (along with any other libraries that the sub-function call within the addin requires (ie - CT.QT.Utils20 addin in almost all cases) in order for the example to compute successfully.


The following four examples demostrate calling this function within a Microsoft .NET environment

The following four examples demostrate calling this function within a non .NET environment

The following is a sample output from executing the BK_ExtremeSpreadOption() function call


MyBK_ExtremeSpreadOptionDeal_23.ExtremeSpreadOption.0

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