arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2004.13708q-fin.PRq-fin.ST
收藏

经典期权定价及其进一步研究

Classical Option Pricing and Some Steps Further

Victor Olkhov

摘要:

本文认为资产价格p是价值C和交易量V之间的关系C=pV,并研究了这一定义对期权定价方程的影响。我们表明,经典的BSM模型隐含地假设交易价值C和交易量V遵循相同的布朗过程。违反这个身份导致2维的BSM类方程的两个常数挥发。我们发现,代理人的期望,批准执行的交易,可以进一步增加BSM模型的维度。我们研究了代理人的预期可能依赖于期权价格数据的情况,并表明这种假设可以导致非线性的BSM类方程。我们重新考虑了由价值和交易量决定价格的Heston随机波动率模型,得到了具有随机价值波动率和常交易量波动率的三维BSM类模型。类BSM方程的多样性说明了期权定价方程的精确性和复杂性之间的合理平衡问题。

英文摘要:

This paper considers the asset price p as relations C=pV between the value C and the volume V of the executed transactions and studies the consequences of this definition for the option pricing equations. We show that the classical BSM model implicitly assumes that value C and volume V of transactions follow identical Brownian processes. Violation of this identity leads to 2-dimensional BSM-like equation with two constant volatilities. We show that agents expectations those approve execution of transactions can further increase the dimension of the BSM model. We study the case when agents expectations may depend on the option price data and show that such assumption can lead to the nonlinear BSM-like equations. We reconsider the Heston stochastic volatility model for the price determined by the value and the volume and derive 3-dimensional BSM-like model with stochastic value volatility and constant volume volatility. Variety of the BSM-like equations states the problem of reasonable balance between the accuracy and the complexity of the option pricing equations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑