Speculating Speculating and Investing

Speculating

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The strategies employed for speculating on forex futures are similar to those used in spot markets. The most widely used strategies are based on common forms of technical chart analysis since these markets tend to trend well. These include Fibonacci studies, Gann studies, pivot points, and other similar techniques. Alternately, some speculators use more advanced strategies, such as arbitrage.
Source: http://www.investopedia.com/articles/trading/04/102704.asp