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BlackScholesVomma

  

compute the Vomma of a European-style option with given payoff

 

Calling Sequence

Parameters

Description

Examples

References

Compatibility

Calling Sequence

BlackScholesVomma(S0, K, T, sigma, r, d, optiontype)

BlackScholesVomma(S0, P, T, sigma, r, d)

Parameters

S0

-

algebraic expression; initial (current) value of the underlying asset

K

-

algebraic expression; strike price

T

-

algebraic expression; time to maturity

sigma

-

algebraic expression; volatility

r

-

algebraic expression; continuously compounded risk-free rate

d

-

algebraic expression; continuously compounded dividend yield

P

-

operator or procedure; payoff function

optiontype

-

call or put; option type

Description

• 

The Vomma of an option or a portfolio of options measures Vega's sensitivity to volatility.

Vomma=ⅆVegaⅆσ

Vomma=ⅆ2Sⅆσ2

• 

The BlackScholesVomma command computes the Vomma of a European-style option with the specified payoff function.

• 

The parameter S0 is the initial (current) value of the underlying asset. The parameter T is the time to maturity in years.

• 

The parameter K specifies the strike price if this is a vanilla put or call option. Any payoff function can be specified using the second calling sequence. In this case the parameter P must be given in the form of an operator, which accepts one parameter (spot price at maturity) and returns the corresponding payoff.

• 

The sigma, r, and d parameters are the volatility, the risk-free rate, and the dividend yield of the underlying asset. These parameters can be given in either the algebraic form or the operator form. The parameter d is optional. By default, the dividend yield is taken to be 0.

Examples

withFinance:

The Vega of an option measures the sensitivity of the option to volatility, sigma. The Vomma of an option measures Vega's sensitivity to volatility. The following example illustrates the characteristics of the Vomma of an option with respect to volatility as well as the time to maturity.

In this example, the Vomma is defined as a function of volatility, sigma, and time to maturity, T.  For a European call option, we will assume that the strike price is 100 and the risk-free interest rate of 0.05.  We also assume that this option does not pay any dividends.

VommaBlackScholesVomma100,100,T,σ,0.05,0,call:

plot3dVomma,T=1.0..0,σ=0..0.5,labels=Time to Maturity,Volatility,Value,colorscheme=zgradient,Black,White,Red,thickness=0

We can also see how the Vomma behaves as a function of the risk-free interest rate, the dividend yield, and volatility.  To compute the Vomma of a European call option with strike price 100 maturing in 1 year, we take:

BlackScholesVomma100,100,1,σ,r,d,call

252ⅇσ4+4σ2d+4σ2r+4d28dr+4r28σ2σ4+4d28dr+4r22σ3π

(1)

This can be numerically solved for specific values of the risk-free rate, the dividend yield, and the volatility.

BlackScholesVomma100,100,1,0.3,0.05,0.03,call

−2.2760247

(2)

It is also possible to use the generic method in which the option is defined through its payoff function:

BlackScholesVomma100,tmaxt100,0,1,σ,r,d

252ⅇσ4+4σ2d+4σ2r+4d28dr+4r28σ2σ4+4d28dr+4r22σ3π

(3)

BlackScholesVomma100,tmaxt100,0,1,0.3,0.05,0.03

−2.27602480

(4)

VommaBlackScholesVomma100,100,1,σ,r,0.03,call

Vomma3.484365784ⅇ0.0000499999999750.σ2+100.r3.2σ2r238.71517538ⅇ0.0000499999999750.σ2+100.r3.2σ2r34.839396921ⅇ0.0000499999999750.σ2+100.r3.2σ2σ60.2903638153ⅇ0.0000499999999750.σ2+100.r3.2σ2σ4+2.411606085ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2σ2+0.1077144156ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2r3.590480521ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2r2+39.89422801ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2r34.986778501ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2σ62.305488695ⅇ0.0000499999999750.σ2+100.r3.2σ2σ20.1045309736ⅇ0.0000499999999750.σ2+100.r3.2σ2r+0.29920671ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2σ4+76.26889555ⅇ0.0000499999999750.σ2+100.r3.2σ2σ2r+19.35758769ⅇ0.0000499999999750.σ2+100.r3.2σ2r2σ2+9.678793843ⅇ0.0000499999999750.σ2+100.r3.2σ2σ4r80.9852829ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2σ2r+19.94711401ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2r2σ29.973557006ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2σ4r+0.001045309735ⅇ0.0000499999999750.σ2+100.r3.2σ20.001077144156ⅇ1.0.5000000002σ2r+0.1249999999σ4+0.01499999999σ2+0.00044999999980.02999999998r+0.4999999997r2σ2σ5

(5)

plot3dVomma,σ=0..1,r=0..1

Here are similar examples for the European put option:

BlackScholesVomma100,120,1,0.3,0.05,0.03,put

32.3094718

(6)

BlackScholesVomma100,tmax120t,0,1,0.3,0.05,0.03,0

32.3094713

(7)

References

  

Hull, J., Options, Futures, and Other Derivatives, 5th. edition. Upper Saddle River, New Jersey: Prentice Hall, 2003.

Compatibility

• 

The Finance[BlackScholesVomma] command was introduced in Maple 2015.

• 

For more information on Maple 2015 changes, see Updates in Maple 2015.

See Also

Finance[BlackScholesCharm]

Finance[BlackScholesDelta]

Finance[BlackScholesGamma]

Finance[BlackScholesPrice]

Finance[BlackScholesVanna]

Finance[BlackScholesVera]

Finance[BlackScholesVeta]

Finance[EuropeanOption]

Finance[ImpliedVolatility]

Finance[LatticePrice]