1. Scalping: Scalping is a common trading strategy that involves executing small, quick trades with hopes to profit from short-term price movements, typically by holding positions for a few seconds or minutes.

2. Day Trading: This is another popular common trading strategy that involves buying and selling currency pairs on the same day. Day traders use technical analysis to identify trading opportunities and will usually hold positions for a few minutes or hours, hoping to earn multiple small profits throughout the day.

3. Swing Trading: This strategy is a longer-term trading strategy that involves holding positions for several days to weeks. Swing traders use both technical and fundamental analysis to identify trading opportunities, and their goal is to capture larger price movements.

4. Position Trading: Here is a long-term trading strategy that involves holding positions for several weeks to months, hoping to profit from long-term market trends. Position traders typically hold positions through periods of volatility.

Regardless of which trading strategy is utilized, it is important to have a clear understanding of the market and the factors that drive currency prices, which requires both technical and fundamental analysis, along with a disciplined approach to risk management. Some risk management techniques involve setting stop-loss orders to limit potential losses and adjusting position sizes based on market volatility.

Each trading strategy has its own unique approach to analyzing the market and making trades, and each investor will have their own set of strategies that they utilize. It is important for any investor to determine their level of risk aversion, as well as short- and long-term goals. Successful forex trading requires a thorough comprehension of the market, the factors that drive currency prices, and a well-defined — and even pre-defined — trading strategy.