| Foreign currency is one of the tool or economic object which influence the basic needs fulfillment of global and modern human at the present days, either through individuals and also in group. The movement of US Dollar to Rupiah is one of very important macro economic indicators showing the works of monetary system and the corporate world. Up to this day, US Dollar is used as the benchmark due to its stable position compared to other currencies. The reinforcing of US Dollar exchange rate to Rupiah will affect direct and also indirectly share price index’s. Directly, the appreciation of Rupiah causes the profit level in money market diminished. Therefore, investor tend to transfer their investment from money to capital market, one of it is the share. The aim of this research is to find out the influence of foreign exchange fluctuation on LQ 45 stock price fluctuation so that all investor will be able to invest their investment safely in the share. Researcher choose group LQ 45 because owning high liquidity and factor of market capitalistic nicely. Foreign currency researched are US Dollar, Euro, and Yen meanwhile LQ 45 share prices researched are LQ 45 closing share price listed in Jakarta Stock Exchange continuously from February 2005 to July 2007, covering entirely 29 companies. The research result, based on financial analysis, shows that fluctuation of US Dollar exchange rate to Rupiah, based on coefficient of variation, is 3.919%, the fluctuation of Euro exchange rate to Rupiah, based on coefficient of variation, is 3.449%, and the fluctuation of Yen exchange rate to Rupiah, based on coefficient of variation, is 6.909%. This shows that level of US Dollar, Euro, and Yen exchange rate to Rupiah data distribution is approaching its average value. Those foreign exchange fluctuation affect 27 coefficient of variation of share price fluctuation below 50%, meanwhile only ANTM and INCO share price fluctuation which affect more than 50%. The research result, based on statistical analysis, shows that US Dollar exchange rate to Rupiah influences 17 LQ 45 share price, Euro exchange rate to Rupiah influences 24 LQ 45 share price, and Yen exchange rate to Rupiah influences 24 LQ 45 share price. |