(a) the political situation
If a country has often appear, domestic insurrections, wars, and other diplomatic relations and meet serious natural disasters, and these events and disasters and failed to effectively control, will cause the domestic economy, cause paralysis atrophy or investors' confidence and decline, the results of the capital flight will lead to drop all rate.
(2) news and other information
In the foreign exchange market, a rumor or a grapevine news also caused uproar. Especially some not mature market, foreign exchange market is "news". Foreign exchange is often difficult argument in these false information in the unrest.
(3) psychological factor
According to the art of Lyon's exchange psychology, monetary is someone to, because it has a value, and its value for its size is marginal utility of subjective evaluation. Subjective evaluation and expectations are actually the same problem. The psychological effect of currency is expected to greatly, even has become the foreign exchange market exchange rate fluctuations, as long as one of the key factors for some people expected a change of currency, wink may induce large-scale capital movement.
Foreign exchange market traders influence factors of the psychological expected change is very much, basically have the economic growth, the international balance of payments, interest rates, fiscal policy and political situation.
(4) market speculation
Speculators to profit of speculation, will inevitably affect to the stable exchange rate.
Foreign exchange market speculation usually include two parts: one is the stability and speculation, two are stability speculation. They influence degree of exchange rate is shown in the:
(5) the central bank intervention
In the opening of market economy, the central bank in foreign exchange market, money directly to the exchange rate is the most direct, its effect is very obvious.
The central bank usually intervention measures of foreign exchange market, there are four types:
1 in the foreign exchange market directly on sale
2. Adjust domestic fiscal and monetary policies
3 in the international leading published comments to a psychological influence the market