Abstract
A method based on deep artificial neural networks and empirical risk minimization is developed to calculate the boundary separating the stopping and continuation regions in optimal stopping. The algorithm parameterizes the stopping boundary as the graph of a function and introduces relaxed stopping rules based on fuzzy boundaries to facilitate efficient optimization. Several financial instruments, some in high dimensions, are analyzed through this method, demonstrating its effectiveness. The existence of the stopping boundary is also proved under natural structural assumptions.
Original language | English (US) |
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Journal | Mathematical Finance |
DOIs | |
State | Accepted/In press - 2024 |
All Science Journal Classification (ASJC) codes
- Accounting
- Finance
- Social Sciences (miscellaneous)
- Economics and Econometrics
- Applied Mathematics
Keywords
- American derivatives
- Bermudan options
- deep learning
- fuzzy boundary
- optimal stopping
- stopping boundary problems