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- Title
Forest of Stochastic Trees: A Method for Valuing Multiple Exercise Options.
- Authors
Reesor, R. Mark; Marshall, T. James
- Abstract
We present the Forest of Stochastic Trees (FOST) method for pricing multiple exercise options by simulation. The proposed method uses stochastic trees in place of binomial trees in the Forest of Trees algorithm originally proposed to value swing options, hence extending that method to allow for a multi-dimensional underlying process. The FOST can also be viewed as extending the stochastic tree method for valuing (single exercise) American-style options to multiple exercise options. The proposed valuation method results in positively- and negatively-biased estimators for the true option value. We prove the sign of the estimator bias and show that these estimators are consistent for the true option value. This method is of particular use in cases where there is potentially a large number of assets underlying the contract and/or the underlying price process depends on multiple risk factors. Numerical results are presented to illustrate the method.
- Subjects
MONTE Carlo method; STOCHASTIC control theory; EXERCISE; TREES
- Publication
Journal of Risk & Financial Management, 2020, Vol 13, Issue 5, p1
- ISSN
1911-8066
- Publication type
Article
- DOI
10.3390/jrfm13050095