The ExchOnExch function calculates the theoretical price, sensitivities, the implied volatility, the implied strike and the implied correlation value of a European exchange option on exchange option using Carr’s model. See Multiple Asset Options for a further explanation.
ExchOnExch |
(ExchangeType, ModelStatistic, Asset1, Asset2, QtyAsset2, TimeOption, TimeExpire, Volatility1, Volatility2, YieldRate1, YieldRate2, Correlation, MarketPrice, TimeFormat, Yield1Type, Yield2Type) |
Note: Optional arguments are shown in Italics. MarketPrice is not Optional for the Implied Calculations.
Argument |
Description |
ExchangeType |
Numeric value indicating the exchange option on exchange option type: •Asset2OptionAsset2For1 = 1 •Asset2For1OptionAsset2 = 2 •Asset2OptionAsset1For2 = 3 •Asset1For2OptionAsset2 = 4 |
ModelStatistic |
Numeric value indicating the type of function required for the return value: •Theoretical = 1 •Theta = 4 •Delta1 = 30 •Delta2 = 31 •Gamma1 = 32 •Gamma2 = 33 •ImpliedVol1 = 34 •ImpliedVol2 = 35 •Vega1 = 36 •Vega2 = 37 •Psi1 = 38 •Psi2 = 39 •Lambda1 = 42 •Lambda2 = 43 •Chi = 48 •ImpliedCorrelation = 50 |
Asset1 |
The price of the underlying asset one. Must be > 0. |
Asset2 |
The price of the underlying asset two. Must be > 0. |
QtyAsset2 |
The quantity of asset two. |
TimeOption |
Time, expressed in either Days or Years (depending on the TimeFormat value), until the original options expiration. Must be > 0. |
TimeExpire |
Time, expressed in either Days or Years (depending on the TimeFormat value), until the underlying options expiration. Must be > 0. |
Volatility1 |
Annualized volatility of the asset one. Must be > 0. |
Volatility2 |
Annualized volatility of the asset two. Must be > 0. |
YieldRate1 |
Yield, expressed as a percentage (dividends or interest yield), of the first underlying asset price. This rate is interpreted as a continuously compounded rate unless specified otherwise in the Yield1Type argument. |
YieldRate2 |
Yield, expressed as a percentage (dividends or interest yield), of the second underlying asset price. This rate is interpreted as a continuously compounded rate unless specified otherwise in the Yield2Type argument. |
Correlation |
The correlation between the first underlying asset price and the second underlying asset price. Must be -1 < Correlation < 1. |
MarketPrice |
Optional. The selling price of the option in the marketplace. This input is required when implied volatility and strike are calculated. Price must be > 0. |
TimeFormat |
Optional. Alphanumeric value indicating the format of the time arguments (i.e. TimeExpire). If omitted, Days are used as the default. Specified as either: •Days = 0 or "D" (case insensitive) •Years = 1 or "Y" (case insensitive) |
Yield1Type |
Optional. Alphanumeric value indicating the type of YieldRate1 to use when evaluating the option. This value is converted to Continuously Compounded for the calculations. If omitted, a Continuously Compounded rate is used. |
Yield2Type |
Optional. Alphanumeric value indicating the type of YieldRate2 to use when evaluating the option. This value is converted to Continuously Compounded for the calculations. If omitted, a Continuously Compounded rate is used. |
Example
Calculate all of functions of an exchange option on exchange option where the original option expires in half a year and the underlying option expires in a year. The first asset price is $120, the second asset price is $102, the yield rate of the first asset is 8% per annum, the yield rate of the second asset is 6% per annum, the correlation is 0.51, the annual volatility of the first asset is 25%, and the annual volatility of the second asset is 35%. The quantity of asset two is 0.05 and ExchangeType = Asset2OptionAsset2For1. So, |
Input |
|
Output |
|||
Variable |
Value |
|
Function |
Name |
Value |
ExchangeType |
ExchExchFforA |
|
1 |
Theoretical: |
16.900151 |
Asset1: |
120 |
|
4 |
Theta: |
0.011596 |
Asset2: |
102 |
|
30 |
Delta Asset 1: |
0.644764 |
QtyAsset2 |
0.05 |
|
31 |
Delta Asset 2: |
-0.592858 |
TimeOption |
0.5 |
|
32 |
Gamma 1: |
0.009854 |
TimeExpire |
1 |
|
33 |
Gamma 2: |
0.013639 |
Volatility1: |
25% |
|
34 |
Implied Vol. 1: |
0.260837 |
Volatility2: |
35% |
|
35 |
Implied Vol. 2: |
0.353715 |
YieldRate1: |
8% |
|
36 |
Vega Vol. 1: |
0.085961 |
YieldRate2: |
6% |
|
37 |
Vega Vol. 2: |
0.267500 |
Correlation: |
0.51 |
|
38 |
Psi Yield 1: |
-0.776503 |
MarketPrice: |
17 |
|
39 |
Psi Yield 2: |
0.586902 |
TimeFormat |
Years |
|
42 |
Lambda 1: |
4.578165 |
|
|
|
43 |
Lambda 2: |
-3.578165 |
|
|
|
48 |
Chi: |
-10.519678 |
|
|
|
50 |
Implied Corr: |
0.500473 |
See Also