referencedate = a string containing a date specification in a format recognized by Finance[ParseDate] or a date data structure -- This option provides the evaluation date. It is set to the global evaluation date by default.

daycounter = a name representing a supported day counter (e.g. ISDA, Simple) or a day counter data structure created using the DayCounter constructor -- This option provides a day counter that will be used to convert the period between two dates to a fraction of the year. This option is used only if one of earliestexercise or latestexercise is specified as a date.

The EuropeanOption command creates a new European-style option with the specified payoff and maturity. This option can be exercised only at the time or date specified by the exercise parameter. This is the opposite of an American-style option, which can be exercised at any time before the expiration.

The parameter payoff is the payoff function for the option. It can be either an algebraic expression or a procedure. A procedure defining a payoff function must accept one parameter (the value of the underlying) and return the corresponding payoff. This procedure will be called with floating-point arguments only and must return floating-point values. If payoff is given as an algebraic expression it must depend on a single variable. This expression will be converted to a Maple procedure using the unapply function.

The parameter exercise specifies the time or date when the option can be exercised. It can be given either as a non-negative constant or as a date in any of the formats recognized by the Finance[ParseDate] command.

The LatticePrice command can be used to price a European-style option using any given binomial or trinomial tree.

$\mathrm{with}\left(\mathrm{Finance}\right)\:$

$\mathrm{SetEvaluationDate}\left(''January\; 3,\; 2006''\right)\:$

$\mathrm{Settings}\left(\mathrm{daycounter}=\mathrm{Thirty360European}\right)$

$\mathrm{Historical}$

$\mathrm{Maturity}≔\mathrm{AdvanceDate}\left(\mathrm{EvaluationDate}\left(\right)\,6\,\mathrm{Months}\,\mathrm{output}=\mathrm{formatted}\right)$

$\mathrm{Maturity}≔''July\; 3,\; 2006''$

$T≔\mathrm{BlackScholesBinomialTree}\left(100\,0.1\,0.\,0.4\,0.6\,1000\right)\:$

$\mathrm{P1}≔S\mapsto \max \left(S-90\,0\right)$

$\mathrm{P1}≔S\mapsto \max \left(S-90\,0\right)$

$\mathrm{plot}\left(\mathrm{P1}\,80..120\,\mathrm{color}=\mathrm{blue}\,\mathrm{thickness}=2\,\mathrm{axes}=\mathrm{BOXED}\,\mathrm{gridlines}=\mathrm{true}\right)$

$\mathrm{E1}≔\mathrm{EuropeanOption}\left(\mathrm{P1}\,0.5\right)\:$

$\mathrm{E2}≔\mathrm{EuropeanOption}\left(\mathrm{P1}\,\mathrm{Maturity}\right)\:$

$\mathrm{LatticePrice}\left(\mathrm{E1}\,T\,0.1\right)$

$19.16307346$

$\mathrm{LatticePrice}\left(\mathrm{E2}\,T\,0.1\right)$

$19.16307346$

$\mathrm{P2}≔S\mapsto \max \left(S-110\,0\right)$

$\mathrm{P2}≔S\mapsto \max \left(S-110\,0\right)$

$\mathrm{plot}\left(\mathrm{P2}\,80..120\,\mathrm{color}=\mathrm{blue}\,\mathrm{thickness}=2\,\mathrm{axes}=\mathrm{BOXED}\,\mathrm{gridlines}=\mathrm{true}\right)$

$\mathrm{E3}≔\mathrm{EuropeanOption}\left(\mathrm{P2}\,0.5\right)\:$

$\mathrm{E4}≔\mathrm{EuropeanOption}\left(\mathrm{P2}\,\mathrm{Maturity}\right)\:$

$\mathrm{LatticePrice}\left(\mathrm{E3}\,T\,0.1\right)$

$9.341739175$

$\mathrm{LatticePrice}\left(\mathrm{E4}\,T\,0.1\right)$

$9.341739175$

$\mathrm{P3}≔S\mapsto \max \left(S-100\,0\right)$

$\mathrm{P3}≔S\mapsto \max \left(S-100\,0\right)$

$\mathrm{plot}\left(\mathrm{P3}\,80..120\,\mathrm{color}=\mathrm{blue}\,\mathrm{thickness}=2\,\mathrm{axes}=\mathrm{BOXED}\,\mathrm{gridlines}=\mathrm{true}\right)$

$\mathrm{E5}≔\mathrm{EuropeanOption}\left(\mathrm{P3}\,0.5\right)\:$

$\mathrm{E6}≔\mathrm{EuropeanOption}\left(\mathrm{P3}\,\mathrm{Maturity}\right)\:$

$\mathrm{LatticePrice}\left(\mathrm{E5}\,T\,0.1\right)$

$13.58412136$

$\mathrm{LatticePrice}\left(\mathrm{E6}\,T\,0.1\right)$

$13.58412136$

$\mathrm{P4}≔S\mapsto \mathrm{piecewise}\left(S<90\&comma;0\&comma;S<100\&comma;S-90\&comma;S<110\&comma;110-S\&comma;0\right)$

$\mathrm{P4}≔S\mapsto \left\{\begin{array}{cc}0& S<90\\ S-90& S<100\\ 110-S& S<110\\ 0& \mathrm{otherwise}\end{array}\right.$

$\mathrm{plot}\left(\mathrm{P4}\&comma;80..120\&comma;\mathrm{color}=\mathrm{blue}\&comma;\mathrm{thickness}=2\&comma;\mathrm{axes}=\mathrm{BOXED}\&comma;\mathrm{gridlines}=\mathrm{true}\right)$

$\mathrm{E7}≔\mathrm{EuropeanOption}\left(\mathrm{P4}\&comma;0.5\right)\&colon;$

$\mathrm{E8}≔\mathrm{EuropeanOption}\left(\mathrm{P4}\&comma;\mathrm{Maturity}\right)\&colon;$

$\mathrm{LatticePrice}\left(\mathrm{E7}\&comma;T\&comma;0.1\right)$

$1.336569904$

$\mathrm{LatticePrice}\left(\mathrm{E8}\&comma;T\&comma;0.1\right)$

$1.336569904$

$\mathrm{plot}\left(\left[\mathrm{P4}\&comma;\mathrm{P1}+\mathrm{P2}-2\mathrm{P3}\right]\&comma;80..120\&comma;\mathrm{color}=\left[\mathrm{blue}\&comma;\mathrm{red}\right]\&comma;\mathrm{thickness}=2\&comma;\mathrm{axes}=\mathrm{BOXED}\&comma;\mathrm{gridlines}=\mathrm{true}\right)$

$\mathrm{LatticePrice}\left(\mathrm{E1}\&comma;T\&comma;0.1\right)+\mathrm{LatticePrice}\left(\mathrm{E3}\&comma;T\&comma;0.1\right)-2\mathrm{LatticePrice}\left(\mathrm{E5}\&comma;T\&comma;0.1\right)=\mathrm{LatticePrice}\left(\mathrm{E7}\&comma;T\&comma;0.1\right)$

$1.33656992=1.336569904$

$\mathrm{LatticePrice}\left(\mathrm{E2}\&comma;T\&comma;0.1\right)+\mathrm{LatticePrice}\left(\mathrm{E4}\&comma;T\&comma;0.1\right)-2\mathrm{LatticePrice}\left(\mathrm{E6}\&comma;T\&comma;0.1\right)=\mathrm{LatticePrice}\left(\mathrm{E8}\&comma;T\&comma;0.1\right)$

$1.33656992=1.336569904$

Glasserman, P., Monte Carlo Methods in Financial Engineering, Springer-Verlag, 2004.

Hull, J., Options, Futures and Other Derivatives, 5th. edition. Prentice Hall, 2003.

Jackel, P., Monte Carlo Methods in Finance, John Wiley & Sons, 2002.

Joshi, M., The Concepts and Practice of Mathematical Finance, Cambridge University Press, 2003.

Wilmott, P., Paul Wilmott on Quantitative Finance, John Wiley and Sons Ltd, 2000.

Wilmott, P., Howison, S., and Dewyne, J., The Mathematics of Financial Derivatives, New York: Cambridge University Press, 1995.

The Finance[EuropeanOption] command was introduced in Maple 15.

For more information on Maple 15 changes, see Updates in Maple 15.