dorsal/arxiv
View SchemaGamma Hedging without Rough Paths
| Authors | John Armstrong, Purba Das |
|---|---|
| Categories | |
| ArXiv ID | 2601.08730vv1 |
| URL | https://arxiv.org/abs/2601.08730 |
| License | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ |
Abstract
We show how the robustness of gamma hedging can be understood without using rough-path theory. Instead, we use the concepts of $p^{th}$ variation along a partition sequence and Taylor's theorem directly, rather than defining an integral and proving a version of It\^o's lemma. The same approach allows classical results on delta-hedging to be proved without defining an integral and without the need to define the concept of self-financing in continuous time. We show that the approach can also be applied to barrier options and Asian options
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"abstract": "We show how the robustness of gamma hedging can be understood without using rough-path theory. Instead, we use the concepts of $p^{th}$ variation along a partition sequence and Taylor\u0027s theorem directly, rather than defining an integral and proving a version of It\\^o\u0027s lemma. The same approach allows classical results on delta-hedging to be proved without defining an integral and without the need to define the concept of self-financing in continuous time. We show that the approach can also be applied to barrier options and Asian options",
"arxiv_id": "2601.08730",
"authors": [
"John Armstrong",
"Purba Das"
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"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"title": "Gamma Hedging without Rough Paths",
"url": "https://arxiv.org/abs/2601.08730",
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