Go short at today’s close if both the 5 and 10-day exponential moving average (EMA) cross below the 20-day EMA. Close the position at today’s high when both the 5 and 10-day EMA cross above the 20-day EMA. Nifty Chart shows the 5-10-20 EMA movement for the the past one year. And the results are simply amazing Source: www.marketcalls.in