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There are many reasons a country's monetary and/or fiscal authority may want to intervene in the foreign exchange market.Central banks generally agree that the primary objective of foreign exchange market intervention is to manage the volatility and/or influence the level of the exchange rate.
CBOE Volatility Index (VIX) from December 1985 to May 2012 (daily closings) In finance, volatility (usually denoted by "σ") is the degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of past market prices.
The most important insight of the model is that adjustment lags in some parts of the economy can induce compensating volatility in others; specifically, when an exogenous variable changes, the short-term effect on the exchange rate can be greater than the long-run effect, so in the short term, the exchange rate overshoots its new equilibrium ...
The CBOE Volatility Index, known by its ticker as simply the VIX , has risen at times in the past week but has yet to close above 19.5, a key level Colas is watching as a sign that volatility is ...
The VIX is an index run by the Chicago Board Options Exchange, now known as Cboe, that measures the stock market’s expectation for volatility over the next 30 days based on option prices for the ...
4. Speculation. As investors try to earn a profit, their speculation on a currency’s value could cause the exchange rate to change. Suppose investors believe a nation’s money is overvalued.
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