Research On Volatility And Liquidity Of Stock Market Based On Netlogo

In recent years,A-share market trading mechanism has been improved,margin trading,stock index futures and other services are developed to make the foundation of Chinese security market mature.Under the new trading mechanism,both for retail and institutional investors,the new game is on,the bull market in the second half of 2014 also makes the strategic value of margin trading business becomes increasingly improved.In this case,investors choose the right strategy is particularly important,not only to make profit when the stock market rose,but also survive when the stock market fell even.Thus,understanding the weak balance situation after stock market collapse and the possible trend of the market outlook,as well as the critical factors which matter is very important.This paper uses computational experiment finance as the research-based,uses agent-based modeling as method to deeply research the weak balance situation after stock market liquidity dried up,and simulate that situation.We try to give the optimal solution strategy of maintenance of stability under macro view.The major conclusions drawn by the simulation experiment are: When the stock market is on the weak balance situation which just speculators involeded,the smaller volume the more stability of the market.When the market is in shock consolidation period,many experts believe that the larger the amount of energy effective amplification can help market to get rid of the bottom area and go upward.However,the experimental results,when the market is on extremely vulnerable,the larger the amount of energy amplification only increase the volatility of the stock market,accelerate the market to break the supported level;In the composition of speculators,in the period of retail accounted for most,the stock market gets more stable.While the resolute of agency which effective follow strict procedures established policies exacerbated the stock market's volatility;Restrict short in any case will increase the volatility of the stock market and greatly reduce the length of time to maintain a stable market,which is bad for stability and healthy development of stock market.