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相关论文: A Probability Density Function for Google's stocks

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The paper presents an evolutionary economic model for the price evolution of stocks. Treating a stock market as a self-organized system governed by a fast purchase process and slow variations of demand and supply the model suggests that the…

综合金融 · 定量金融 2016-07-13 Joachim Kaldasch

The importance of predicting stock market prices cannot be overstated. It is a pivotal task for investors and financial institutions as it enables them to make informed investment decisions, manage risks, and ensure the stability of the…

统计金融 · 定量金融 2024-09-02 Aayush Shah , Mann Doshi , Meet Parekh , Nirmit Deliwala , Pramila M. Chawan

We introduce polynomial processes in the sense of [8] in the context of stochastic portfolio theory to model simultaneously companies' market capitalizations and the corresponding market weights. These models substantially extend volatility…

数理金融 · 定量金融 2017-05-12 Christa Cuchiero

Multivariate probability density functions of returns are constructed in order to model the empirical behavior of returns in a financial time series. They describe the well-established deviations from the Gaussian random walk, such as an…

凝聚态物理 · 物理学 2007-08-23 E. Alessio , V. Frappietro , M. I. Krivoruchenko , L. J. Streckert

Some established and also novel techniques in the field of applications of algorithmic (Kolmogorov) complexity currently co-exist for the first time and are here reviewed, ranging from dominant ones such as statistical lossless compression…

信息论 · 计算机科学 2020-07-15 Hector Zenil

High frequency data in finance have led to a deeper understanding on probability distributions of market prices. Several facts seem to be well stablished by empirical evidence. Specifically, probability distributions have the following…

统计力学 · 物理学 2009-10-31 Jaume Masoliver , Miquel Montero , Josep M. Porra

We develop an entropic framework to model the dynamics of stocks and European Options. Entropic inference is an inductive inference framework equipped with proper tools to handle situations where incomplete information is available. The…

证券定价 · 定量金融 2019-08-20 Mohammad Abedi , Daniel Bartolomeo

This paper provides a unique approach with AI algorithms to predict emerging stock markets volatility. Traditionally, stock volatility is derived from historical volatility,Monte Carlo simulation and implied volatility as well. In this…

计算金融 · 定量金融 2025-08-27 Zong Ke , Jingyu Xu , Zizhou Zhang , Yu Cheng , Wenjun Wu

Stock price prediction has been the focus of a large amount of research but an acceptable solution has so far escaped academics. Recent advances in deep learning have motivated researchers to apply neural networks to stock prediction. In…

统计金融 · 定量金融 2021-03-29 Firuz Kamalov , Linda Smail , Ikhlaas Gurrib

Observed clusters should be modelled by considering the distribution function to be a random variable that quantifies the degree of excitation of the system's normal modes. A system of canonical coordinates for the space of DFs is…

星系天体物理 · 物理学 2021-08-11 Jun Yan Lau , James Binney

Identifying meaningful relationships between the price movements of financial assets is a challenging but important problem in a variety of financial applications. However with recent research, particularly those using machine learning and…

统计金融 · 定量金融 2022-02-21 Rian Dolphin , Barry Smyth , Ruihai Dong

A general formulation of the Fokker-Planck-Kolmogorov (FPK) equation for stochastic hybrid systems is presented, within the framework of Generalized Stochastic Hybrid Systems (GSHS). The FPK equation describes the time evolution of the…

概率论 · 数学 2008-11-28 Julien Bect

It is discussed and surveyed a numerical method proposed before, that alternative to the usual compression method, provides an approximation to the algorithmic (Kolmogorov) complexity, particularly useful for short strings for which…

计算复杂性 · 计算机科学 2011-09-01 Hector Zenil , Jean-Paul Delahaye

Stock price prediction is a complicated and interesting task. Noisy trends make stock pricing sensitive and complicated while the economical motivation behind, keeps it interesting for researchers and investors. In this paper we are to…

最优化与控制 · 数学 2023-12-19 Negin Bagherpour

The stock market presents a challenging environment for accurately predicting future stock prices due to its intricate and ever-changing nature. However, the utilization of advanced methodologies can significantly enhance the precision of…

系统与控制 · 电气工程与系统科学 2025-12-02 Luigi Catello , Ludovica Ruggiero , Lucia Schiavone , Mario Valentino

The paper deals with the order statistics and empirical mathematical expectation (which is also called the estimate of mathematical expectation in the literature) in the case of infinitely increasing random variables. The Kolmogorov concept…

数学物理 · 物理学 2013-03-19 V. P. Maslov , T. V. Maslova

In terms of the stock exchange returns, we compute the analytic expression of the probability distributions F{DAX,+} and F{DAX,-} of the normalized positive and negative DAX (Germany) index daily returns r(t). Furthermore, we define the…

统计金融 · 定量金融 2015-03-14 Rui Gonçalves , Helena Ferreira , Alberto Pinto

From a simple path integral involving a variable volatility in the velocity differences, we obtain velocity probability density functions with exponential tails, resembling those observed in fully developed turbulence. The model yields…

chao-dyn · 物理学 2009-10-28 B. Holdom

A new approach to the understanding of complex behavior of financial markets index using tools from thermodynamics and statistical physics is developed. Physical complexity, a magnitude rooted in Kolmogorov-Chaitin theory is applied to…

统计力学 · 物理学 2008-12-02 R. Mansilla

The rapid growth of the stock market has attracted many investors due to its potential for significant profits. However, predicting stock prices accurately is difficult because financial markets are complex and constantly changing. This is…

机器学习 · 计算机科学 2024-07-17 Abdelatif Hafid , Maad Ebrahim , Ali Alfatemi , Mohamed Rahouti , Diogo Oliveira