In the above hourly price chart, it is clear to see there has been multiple interactions with the 21 EMA. Sometimes price has bounced off the moving average and sometimes it has broken through. As it has bounced off more times than it has broken through this 'setup' can serve as the basis of this strategy. So now let's identify some rules around this.

Understand your risk tolerance: Every person has a different level of risk tolerance, and this will influence the size of the chances they take, the losses they are willing to experience, and the psychological effect of them. To manage your stress levels while trading, it's important to consider your level of risk tolerance in advance, and choose trading strategies that support this.
In return for executing your buy and sell orders, forex brokers will either take a commission per trade or a spread. A spread is the difference between the bid price and ask price for the trade. The asking price is the lowest price that a currency pair will be offered for sale and the bidding price is always lower. When forex brokers successfully execute a buy with the lower bid, they will take that difference — the spread — as payment.

Just like stocks, you can trade currency based on what you think its value is (or where it's headed). But the big difference with forex is that you can trade up or down just as easily. If you think a currency will increase in value, you can buy it. If you think it will decrease, you can sell it. With a market this large, finding a buyer when you're selling and a seller when you're buying is much easier than in in other markets. Maybe you hear on the news that China is devaluing its currency to draw more foreign business into its country. If you think that trend will continue, you could make a forex trade by selling the Chinese currency against another currency, say, the US dollar. The more the Chinese currency devalues against the US dollar, the higher your profits. If the Chinese currency increases in value while you have your sell position open, then your losses increase and you want to get out of the trade.
When learning about Forex trading, many beginners tend to focus on major currency pairs because of their daily volatility and tight spreads. But there are numerous other opportunities – from exotic FX pairs, to CFD trading opportunities on stocks, commodities, energy futures, to indices. There are even indices that track groups of indices, and you can trade them as well.
Risk/reward signifies how much capital is being risked to attain a certain profit. If a trader loses 10 pips on losing trades but makes 15 on winning trades, she is making more on the winners than she's losing on losers. This means that even if the trader only wins 50% of her trades, she will be profitable. Therefore, making more on winning trades is also a strategic component for which many forex day traders strive.
In the futures market, futures contracts are bought and sold based upon a standard size and settlement date on public commodities markets, such as the Chicago Mercantile Exchange. In the U.S., the National Futures Association regulates the futures market. Futures contracts have specific details, including the number of units being traded, delivery and settlement dates, and minimum price increments that cannot be customized. The exchange acts as a counterpart to the trader, providing clearance and settlement.
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