IS THERE TWO-WAY ASYNCHRONOUS INFORMATION TRANSMISSION BETWEEN STOCK MARKETS AND STOCK MESSAGE BOARDS?

2012 ◽  
Vol 11 (04) ◽  
pp. 777-792
Author(s):  
DAYONG DONG ◽  
LIAOLIAO LI ◽  
DAN YANG ◽  
HUILIN ZHU ◽  
QILIN CAO ◽  
...  
Keyword(s):  
Decision Making ◽  
Financial Markets ◽  
Information Transmission ◽  
Stock Returns ◽  
Information Exchange ◽  
Spillover Effect ◽  
Spillover Effects ◽  
Volatility Spillover ◽  
Message Boards ◽  
Volatility Spillover Effect

This study investigates asynchronous information transmission between stock returns and abnormal posting volume on the online stock message boards in China. Based on a robust GARCH model, the study finds that there are significant two-way volatility spillover effects: a positive volatility spillover effect from stock returns to abnormal message posting volume, and a negative volatility spillover effect from abnormal message posting volume to stock returns. The information exchange and communication on stock message boards have a certain role in stabilizing financial markets and improving investor's decision making on financial markets.

VOLATILITY SPILLOVER EFFECT OF FEDERAL RESERVE’S BALANCE SHEET ON THE FINANCIAL AND GOODS MARKETS OF INDO-PAK REGION

2019 ◽  
Vol 14 (03) ◽  
pp. 1950015
Author(s):  
QASIM RAZA SYED ◽  
WASEEM SHAHID MALIK ◽  
BISHARAT HUSSAIN CHANG
Keyword(s):  
Financial Markets ◽  
Federal Reserve ◽  
Balance Sheet ◽  
Spillover Effect ◽  
Spillover Effects ◽  
The Other ◽  
Volatility Spillover ◽  
Monthly Basis ◽  
Volatility Spillovers ◽  
Volatility Spillover Effect

This paper examines the volatility spillover effect of the balance sheet of Federal Reserve (Fed) on the financial and goods markets of Pakistan, India and Bangladesh (collectively known as the Indo-Pak region). Diagonal BEKK-GARCH methodology is used to capture the volatility spillover effects on Indo-Pak economies. This study took data from the year 2004 to year 2019 on a monthly basis. The findings of the paper describe that there are volatility spillovers from Fed’s balance sheet to the financial markets of Pakistan, India and Bangladesh economies. On the other hand, there is also evidence of volatility spillovers from the balance sheet of Fed to the goods markets of these economies.

scholarly journals THE INVESTIGATION OF VOLATILITY SPILLOVER EFFECT BETWEEN STOCK MARKETS OF TURKEY, ITALY, GREECE AND RUSSIA

2020 ◽  
Vol 8 (2) ◽  
pp. 1576-1598
Author(s):  
Murat BERBEROĞLU
Keyword(s):  
Heat Wave ◽  
Stock Markets ◽  
Spillover Effect ◽  
Spillover Effects ◽  
Meteor Shower ◽  
Volatility Spillover ◽  
Short Term ◽  
Volatility Spillover Effect

In this study, the volatility spillover effects in stock markets of various countries are examined. Volatility spillover effect occurs in two forms as heat wave and meteor shower in literature. From this point to these two effects were investigated in stock markets of Turkey, Italy, Russia and Greece. In the research, cointegration, ARCH-LM, VAR, and finally VAR-MGARCH analyzes were used. According to the results of the analysis, it was concluded that the volatility spillover effect is effective in all stock markets. Also, it was determined that more meteor shower hypothesis is more effective when the time was extended, although heat wave hypothesis is effective in the short term.                         

scholarly journals Dynamic Spillover and Hedging among Carbon, Biofuel and Oil

2020 ◽  
Author(s):  
Yeonjeong Lee ◽  
Seong-Min Yoon
Keyword(s):  
Financial Markets ◽  
Global Economy ◽  
Spillover Effect ◽  
Cost Effective ◽  
Pollutant Emission ◽  
Volatility Spillover ◽  
Oil Markets ◽  
Rapid Spread ◽  
Hedging Portfolio ◽  
Volatility Spillover Effect

With the rapid spread of carbon trading in the global economy, the interactions of prices between carbon (or clean/renewable energy) and traditional fossil energies such as coal and oil have raised growing attention, but little research have discussed their dynamic volatility spillover and time-varying correlation. The purpose of this study is to investigate these issues, for the weekly data of EUA futures, Biofuel and Brent oil prices from 25 October 2009 to 5 July 2020. We employ the VAR-GARCH model with the BEKK specification. Our results are summarized as follows. At first, we identified the sudden changes and the volatility persistence in the three markets, and also confirmed that the volatility of the markets has changed significantly over time. Secondly, we find that there are a weak volatility spillover effect among the three markets, while a strong spillover effect between the EUA and Brent oil markets. Lastly, in financial markets, the EUA can be used as a hedging portfolio for the Biofuel and Brent oil markets. These results can help investors to well compose their portfolios and manage their investment risks, and help potential pollutant emission sources to join in carbon market in a cost-effective way.

Nexus between Southeast Asian stock markets, bitcoin and gold: spillover effect before and during the COVID-19 pandemic

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Yosuke Kakinuma
Keyword(s):  
Southeast Asia ◽  
Stock Markets ◽  
Spillover Effect ◽  
Spillover Effects ◽  
Southeast Asian ◽  
Series Data ◽  
Financial Assets ◽  
Volatility Spillover ◽  
Content Type ◽  
Asset Classes

Purpose This study aims to provide empirical evidence on the return and volatility spillover effects between Southeast Asian stock markets, bitcoin and gold in the periods before and during the COVID-19 pandemic. The interdependence among different asset classes, the two leading stock markets in Southeast Asia (Singapore and Thailand), bitcoin and gold, is analyzed for diversification opportunities. Design/methodology/approach The vector autoregressive-Baba, Engle, Kraft, and Kroner-generalized autoregressive conditional heteroskedasticity model is used to capture the return and volatility spillover effects between different financial assets. The data cover the period from October 2013 to May 2021. The full period is divided into two sub-sample periods, the pre-pandemic period and the during-pandemic period, to examine whether the financial turbulence caused by COVID-19 affects the interconnectedness between the assets. Findings The stocks in Southeast Asia, bitcoin and gold become more interdependent during the pandemic. During turbulent times, the contagion effect is inevitable regardless of region and asset class. Furthermore, bitcoin does not provide protection for investors in Southeast Asia. The pricing mechanism and technology behind bitcoin are different from common stocks, yet the results indicate the co-movement of bitcoin and the Singaporean and Thai stocks during the crisis. Finally, risk-averse investors should ensure that gold constitutes a significant proportion of their portfolio, approximately 40%–55%. This strategy provides the most effective hedge against risk. Originality/value The mean return and volatility spillover is analyzed between bitcoin, gold and two preeminent stock markets in Southeast Asia. Most prior studies test the spillover effect between the same asset classes such as equities in different regions or different commodities, currencies and cryptocurrencies. Moreover, the time-series data are divided into two groups based on the structural break caused by the COVID-19 pandemic. The findings of this study offer practical implications for risk management and portfolio diversification. Diversification opportunities are becoming scarce as different financial assets witness increasing integration.

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