EMA, or Exponential Moving Average, is a popular technical analysis indicator used in forex scalping strategies. It is used to identify trend directions and potential entry or exit points in the market. While there is no one-size-fits-all answer to the best EMA setup for scalping, there are a few commonly used combinations that traders find effective.

One common EMA setup for scalping is the 5 and 8 EMA combination. This setup is considered fast and can generate many trade signals. The 5 EMA represents a shorter-term trend, while the 8 EMA represents a slightly longer-term trend. When the 5 EMA crosses above the 8 EMA, it can signal a potential bullish trend, and vice versa for bearish trends. Traders can use this setup to enter trades when the trend is confirmed.

Another popular EMA setup for scalping is the 10 and 21 EMA combination. This setup is considered more conservative and generates fewer trade signals. The 10 EMA represents a shorter-term trend, while the 21 EMA represents a slightly longer-term trend. When the 10 EMA crosses above the 21 EMA, it can signal a potential bullish trend, and vice versa for bearish trends. Traders can use this setup to enter trades when the trend is confirmed.

It's important to note that the best EMA setup for scalping may vary depending on the currency pair being traded, the time frame used, and the individual trader's preferences and risk tolerance. It's recommended to backtest different EMA setups and evaluate their performance before using them in live trading.

In conclusion, the best EMA setup for scalping depends on various factors and can vary from trader to trader. The 5 and 8 EMA combination is a popular fast setup, while the 10 and 21 EMA combination is a more conservative option. Traders should experiment with different setups and choose the one that aligns with their trading style and goals.