most countries have a floating exchange rate policy. Rates form trades on the currency exchange for the dollar to the national currency and on Forex. All the dynamics of the dollar exchange rate and market relations are linked, where trades, conditions such as the interest rate, import / export are affected.
How to make money on currency exchange rates
It is often quite easy to guess the growth of the dollar and its fall. In both cases, you can make good money on fluctuations in the dollar exchange rate. In addition, even if the currency exchange rate fluctuates slightly, and "hovered" in a state closer to rest - and you can make great money using, for example, working with options on the dollar. Just guess whether the dollar rate will rise, fall, jump or remain unchanged and you are in a huge profit. Traders and investors use news, past prices, and intuition to predict the exchange rate and volatility.
large players in the currency market can theoretically significantly affect the dollar exchange rate, move it suddenly in the right direction, "taking away" a lot of money from other players, but not as much as you can affect other, smaller currencies, and especially stocks and futures. Therefore, hapless traders mistakenly believe that someone took their money, causing a jump in the dollar exchange rate, which enriched or ruined. Large - scale manipulation is a special case in trading in the dollar and other currencies and is often considered illegal and monitored by the local financial police.
another point is that countries adjust the exchange rate relative to the dollar for more profitable import / export to the United States, which can add competitiveness to goods produced for export.
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Dollar exchange rate and other currencies
Many countries have linked their currency to the dollar, which is controlled by the market.
Binding allows you not to spend a lot of effort on the stability of the currency relative to the dollar exchange rate. Often, there is a correction in the exchange rate of such a national currency, but it is small.
to track the real exchange rate of the us dollar, you can study the exchange rate of the dollar to the Euro for different periods of time. As well as the dynamics of its exchange rate, see the chart of the dollar index - the dollar exchange rate against a basket of world currencies.
Like all other currencies, the dollar is subject to inflation, usually a few percent per year. So, having invested in the dollar some five years ago, holders of this currency still significantly lose capital. Maintaining and multiplying capital is a whole science, and since the real dollar exchange rate has been falling smoothly and will always fall, investors use other instruments besides currencies, such as stocks, bonds, futures and options. However, these tools include knowledge and experience, and working with them is often risky, which encourages investors to often work with the dollar exchange rate.