In order to study the financial behavior of investors in the spot market,the transmission process of futures prices to spot prices is analyzed.Firstly,a coarse-graining method is proposed to construct a dual-layer cou...In order to study the financial behavior of investors in the spot market,the transmission process of futures prices to spot prices is analyzed.Firstly,a coarse-graining method is proposed to construct a dual-layer coupled complex network of spot price and futures price.Then,to characterize the financial behavior of investors in the spot market,a price coupling strength indicator is introduced to capture investors’overreaction and underreaction behavior.The simulation results show that,despite the focus of researchers on arbitrage opportunities between futures and spot markets,investors in the spot market will not overreact or delay when the acceptance level of price fluctuations remains unchanged.On the contrary,when the stable coefficient of the price difference between the futures and spot markets remains unchanged,investors undergo a nonlinear process of overreaction followed by underreaction as their acceptance level of price fluctuations increases.展开更多
基金supported by the Science and Technology Foundation of State Grid Corporation of China(SGCC)(J2022116)。
文摘In order to study the financial behavior of investors in the spot market,the transmission process of futures prices to spot prices is analyzed.Firstly,a coarse-graining method is proposed to construct a dual-layer coupled complex network of spot price and futures price.Then,to characterize the financial behavior of investors in the spot market,a price coupling strength indicator is introduced to capture investors’overreaction and underreaction behavior.The simulation results show that,despite the focus of researchers on arbitrage opportunities between futures and spot markets,investors in the spot market will not overreact or delay when the acceptance level of price fluctuations remains unchanged.On the contrary,when the stable coefficient of the price difference between the futures and spot markets remains unchanged,investors undergo a nonlinear process of overreaction followed by underreaction as their acceptance level of price fluctuations increases.
