ReverseOutperformanceCertificate: Reverse Outperformance Certificatevaluation using pricing by...

Description Usage Arguments Details Value Author(s) See Also Examples

View source: R/Certificates.R

Description

values a Reverse Outperformance Certificate using pricing by duplication

Usage

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ReverseOutperformanceCertificate(S, S0, X, Time, r, r_d, sigma, 
  participation, ratio = 1)

Arguments

S

the asset price, a numeric value.

S0

the underlying start price at issue date

X

the exercise price, a numeric value.

Time

time to maturity measured in years

r

the annualized rate of interest, a numeric value; e.g. 0.25 means 25% pa.

r_d

the annualized dividend yield, a numeric value; e.g. 0.25 means 25% pa.

sigma

the annualized volatility of the underlying security, a numeric value; e.g. 0.3 means 30% volatility pa.

participation

participation rate/factor below strike level. Defaults to 1.

ratio

ratio, number of underlyings one certificate refers to, a numeric value; e.g. 0.25 means 4 certificates refer to 1 share of the underlying asset

Details

A Reverse Outperformance Certificate is composed of

  1. a short position in stock with reference price S0 (i.e. a Put with strike S0)

  2. a number of long puts ("participation") with strike price X

Value

the price (scalar or vector) of the Reverse Outperformance Certificate

Author(s)

Stefan Wilhelm wilhelm@financial.com

See Also

similar structures: OutperformanceCertificate

Examples

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## 
ReverseOutperformanceCertificate(S=105, S0=100, X=90, Time=1, 
  r=0.045, r_d=0, sigma=0.4, participation=1.2, ratio=1)

## payoff diagram
S <- seq(0, 150)
p <- ReverseOutperformanceCertificate(S, S0=100, X=90, Time=1, 
  r=0.045, r_d=0, sigma=0.4, participation=1.2, ratio=1)
p2 <- ReverseOutperformanceCertificate(S, S0=100, X=90, Time=0, 
  r=0.045, r_d=0, sigma=0.4, participation=1.2, ratio=1)  
plot(S, p,  type="l", col="red", ylim=range(p, p2, na.rm=TRUE), 
  xlab="underlying price", ylab="payoff", main="Reverse Outperformance")
lines(S, p2, col="blue")    
abline(v=90, lty=2, col="gray80")   

Example output

Loading required package: fBasics
Loading required package: timeDate
Loading required package: timeSeries
Loading required package: fOptions
Loading required package: fExoticOptions
[1] 89.33641

fCertificates documentation built on May 1, 2019, 10:09 p.m.