Time-reversal asymmetry in Cont–Bouchaud stock market model

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Synchronization model for stock market asymmetry

The waiting time needed for a stock market index to undergo a given percentage change in its value is found to have an up–down asymmetry, which, surprisingly, is not observed for the individual stocks composing that index. To explain this, we introduce a market model consisting of randomly fluctuating stocks that occasionally synchronize their short term draw-downs. These synchronous events are...

متن کامل

Investigating the Asymmetry in Volatility for the Iranian Stock Market

This paper investigates the asymmetry in volatility of returns for the Iranian stock market using the daily closing values of the Tehran exchange price index (TEPIX) covering the period from March 25, 2001 to July 25, 2012, with a total of 2743 observations. To this end, two sets of tests have been employed: the first set is based on the residuals derived from a symmetric GARCH (1,1) model. The...

متن کامل

Measuring the Asymmetry of Stock Market Risk

Portfolio and asset pricing theory use symmetric volatility measures to evaluate risk. We propose a method to isolate the risk that the portfolio suffers a loss, separate from the risk that the portfolio reaps uncommon gains. Specifically we take advantage of the one-sided nature of option payments and show how downside risk will only affect the value of a put option (with correctly specified s...

متن کامل

investigating the asymmetry in volatility for the iranian stock market

this paper investigates the asymmetry in volatility of returns for the iranian stock market using the daily closing values of the tehran exchange price index (tepix) covering the period from march 25, 2001 to july 25, 2012, with a total of 2743 observations. to this end, two sets of tests have been employed: the first set is based on the residuals derived from a symmetric garch (1,1) model. the...

متن کامل

Momentum Trading, Mean Reversal and Overreaction in Chinese Stock Market

While the vast majority of the literature reports momentum profitability to be overwhelming in the U.S. market and widespread in other countries, this paper finds that the pure momentum strategy in general does not yield excess profitability in the Chinese stock markets. We find instead strong mean reversion. A pure contrarian investment strategy produces positive excess returns and in general ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physica A: Statistical Mechanics and its Applications

سال: 2001

ISSN: 0378-4371

DOI: 10.1016/s0378-4371(01)00270-9