We examine the dynamic relation between returns,volume,and volatility of our futures markets.The results show that there exists a positive correlation between absolute returns and volume,but no correlation between ret...We examine the dynamic relation between returns,volume,and volatility of our futures markets.The results show that there exists a positive correlation between absolute returns and volume,but no correlation between returns and volume; Granger causality demonstrate that no causality relation exists between returns (or absolute returns) and volume,except copper’s absolute returns causes volume;the conditional volatility of returns has no direct impact to futures returns; copper’ and soybean’ trading volume contributes strong explanatory power to volatility,but aluminous’ trading volume has no direct impact to volatility.展开更多
In this paper,we examine the relation between volume and price variability in copper futures in SHFE with GARCH(1,1)model,and the empirical evidence presented shows that a positive relationship is detected between pri...In this paper,we examine the relation between volume and price variability in copper futures in SHFE with GARCH(1,1)model,and the empirical evidence presented shows that a positive relationship is detected between price variability and volume,and there is a persistency in volatility.展开更多
This paper investigates the day of the week effect on China futures markets returns and conditional variance(volatility)using the GARCH model.Results obtained indicate that both futures price returns and volatility of...This paper investigates the day of the week effect on China futures markets returns and conditional variance(volatility)using the GARCH model.Results obtained indicate that both futures price returns and volatility of copper,aluminum,rubber in Shanghai Futures Exchange and soybean in Zhengzhou Commodity Exchange have no day of the week effect,but futures price returns and volatility of wheat in Dalian Commodity Exchange have no day of the week effect.展开更多
文摘We examine the dynamic relation between returns,volume,and volatility of our futures markets.The results show that there exists a positive correlation between absolute returns and volume,but no correlation between returns and volume; Granger causality demonstrate that no causality relation exists between returns (or absolute returns) and volume,except copper’s absolute returns causes volume;the conditional volatility of returns has no direct impact to futures returns; copper’ and soybean’ trading volume contributes strong explanatory power to volatility,but aluminous’ trading volume has no direct impact to volatility.
文摘In this paper,we examine the relation between volume and price variability in copper futures in SHFE with GARCH(1,1)model,and the empirical evidence presented shows that a positive relationship is detected between price variability and volume,and there is a persistency in volatility.
文摘This paper investigates the day of the week effect on China futures markets returns and conditional variance(volatility)using the GARCH model.Results obtained indicate that both futures price returns and volatility of copper,aluminum,rubber in Shanghai Futures Exchange and soybean in Zhengzhou Commodity Exchange have no day of the week effect,but futures price returns and volatility of wheat in Dalian Commodity Exchange have no day of the week effect.
