5 Minute EMA Scalping Strategy. This indicator helps the traders to detect momentum changings, trends directions, the strength of the currency pairs, and scalping. It uses only the timeframe of 5 minutes. It uses all the currency pairs for the trade. It is the most powerful trading strategy used in Forex trading. To do that, open Metatrader, click to "Insert" - "Indicators" - "Trend" - "Moving Average". For a "buy" scenario, we need to see an uptrend. To confirm this trend, 8-period EMA should be above 21-period EMA. Moving averages should not cross with each other. Now we go to M5 and insert 13-period SMA. This moving average.