对于依赖时间的哈密尔顿式的路径整体方法,并对衍生品定价的应用
Mark Stedman1, Luca Capriotti2
1Jain Global LLC, 510 Madison Avenue, New York, New York 10022, USA.
Physical review. E
|February 7, 2025
概括
本研究将半古典路径积分方法扩展到使用时间依赖的哈密尔顿数来定价金融衍生品. 该方法准确有效地定价复杂的模型,如布莱克-卡拉辛斯基利率模型.
科学领域:
- 量化金融 量化金融
- 计算物理 计算物理
背景情况:
- 半古典途径积分方法已经在物理学中建立.
- 现有的方法在金融领域与时间依赖的哈密尔顿学相斗争.
研究的目的:
- 为时间依赖的哈密尔顿主义者推广半古典路径积分方法.
- 将该方法应用于金融衍生品定价.
- 评估难以处理的模型的准确性和效率.
主要方法:
- 贾切蒂-托格尼蒂和费曼-克莱因特半古典路径积分方法的概括.
- 适用于时间依赖的哈密尔顿学.
- 在布莱克-卡拉辛斯基利率模型上的测试.
主要成果:
- 一般化路径积分方法准确地定价金融衍生工具.
- 在分析难以处理的布莱克-卡拉辛斯基模型上证明了有效性.
- 该方法显示了计算效率.
结论:
- 一般化的半古典路径积分方法是衍生品定价的可行替代方案.
- 将应用范围扩展到复杂的,时间依赖的金融模型.
- 与传统的数值方案相比,提供了精度和计算效率.
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