Simple Or Exponential Moving Average?

Neither SMA nor EMA definitively “wins” as each serves different trading purposes. SMA excels in long-term trend analysis and stability, reducing false signals through equal weighting of all periods. EMA offers faster responsiveness to price changes, making it valuable for short-term trading and volatile markets.

The choice depends on individual trading style, time horizon, and market conditions. Understanding their distinct strengths reveals which tool best fits specific trading needs.

TLDR

  • Neither indicator “wins” overall – each serves different purposes with SMA better for long-term trends and EMA for short-term trading.
  • SMA provides more reliable signals in steady markets by reducing false alarms through equal weighting of all periods.
  • EMA responds faster to price changes, making it superior for short-term traders in volatile market conditions.
  • SMA excels at identifying sustained trends and support/resistance levels, while EMA better captures quick market reversals.
  • Trading style determines the winner – long-term investors benefit from SMA’s stability, while day traders prefer EMA’s responsiveness.

Simple Vs Exponential Moving Averages – Overview

The key distinction between SMA and EMA lies in their calculation methods, which affects how each responds to price movements.

EMA VS SMA
20 Period EMA and SMA

The simple moving average calculation is a standard average of N periods.  Each price plot is given the same weight in the calculation and you get a true average price for whatever lookback period you have chosen.  The SMA tends to be slower in reacting to price movements including sudden spikes in price.  The SMA tracks further away from the price bars in a trending market compared to the EMA.

The exponential moving average formula contains a weighting factor for the most recent price plots.  This weighting makes the EMA quicker to respond to sudden price spikes.  Because of the faster response to changes in recent price, the EMA will track closer to price.  Keep in mind that when using an indicator for trading decisions, the faster it reacts to current prices, the more chance of getting a false signal occurs.

Consolidations

One important area to note is on the left of the chart.  As moving averages are averages of price using the closing price, when markets begin to consolidate and closing prices are closer to each other, price will whip around the moving average.  For breakout traders, a quick scan using a moving average can give you a list of instruments in a consolidation.

Another area is on the right with the pointer.  The gap down is a good example of how the EMA reacted faster than the SMA to price movement.  While the SMA kept climbing, the EMA reversed direction to the downside and as mentioned, this is due to the most recent data having more meaning in the calculation than the previous data.

During steady price movements, the two moving averages with identical lookback periods show minimal differences from each other.

Do Larger Time Periods Make A Difference?

The last example used one of the more popular settings of 20.  If we go out to a common trend following period of the 200-Day SMA and EMA, is there a difference?

200

Regardless of how you use moving averages for your trading, would you do anything differently with either of these averages?  Probably not.  The green arrow does show where the EMA reacted to the large move however it didn’t add any useful information to any strategy that I can think of.

Trading Approaches

There are many ways a trader will use a moving average in their trading strategies and personally, price action plays a bigger part in my own trading.  The average is just to help frame the market and no trading decision is made based on the average itself.

To help determine whether you should use an EMA or SMA, let’s look at determining the trend with a price cross and trading a pullback to around the average.

trend change and pullback

If we consider the trend changes with price crossing an average, it makes little if any difference to bias.  In fact, in the middle of the chart, a double top formation and price direction breakdown gives a trend change faster than either average.

With pullbacks to an area around the averages, the only issue is the black circle where it doesn’t touch either average.  For most traders, close is close enough and price action, where price ranged and broke down, is enough for a short trade.

Which Moving Average To Use

The difference between EMA and SMA is minimal and shouldn’t significantly impact a robust trading strategy. Regarding optimal settings, like the type of moving average, there is no single best configuration.

Short-term traders who prefer faster indicator movements might choose a 10-day EMA or SMA for their strategy. A trader may watch for price action hugging the 10-period SMA as a signal to look for potential breakout trades during short-term consolidation.

Long-term traders who prefer less responsive indicators often select a 50-200 period SMA as their trend indicator. As demonstrated in the comparison between 200 EMA and SMA, the increased responsiveness of the EMA showed minimal difference.

You can even combine different moving averages, such as using a 100 SMA to determine longer-term trend direction while employing a 10 EMA to identify corrections against the main trend.

sell using average

Using a recent chart of Bitcoin, the 100 SMA is showing a downtrend trend as price is trading below it.

Price rallies above the faster 10 EMA and upon a close below the average, a trader could sell.  This is not a trading strategy you should start trading without some testing.  You need to determine how much price action is needed on the opposite side of the EMA.  Is a close below enough for a trade entry or do you need the whole candle?

Your Questions Answered

Can Moving Averages Predict Market Crashes With Consistent Accuracy?

Moving averages cannot consistently predict market crashes with accuracy.

While they can identify trend reversals and signal potential market weakness, they are lagging indicators that follow price action rather than lead it.

Market timing based solely on moving averages often proves unreliable, as crashes typically occur suddenly and with complex underlying causes that technical indicators alone cannot anticipate.

How Do Institutional Traders Typically Combine SMA and EMA in Their Strategies?

Institutional traders often use both SMA and EMA together to confirm market trends and identify reliable entry points.

They typically monitor longer-term SMAs (like 200-day) to understand the overall market direction, while using shorter-term EMAs (like 20-day) for timing trades.

This combination helps them reduce false signals and validate trade decisions, as the slower SMA provides trend context while the faster EMA catches recent price movements.

Do Moving Averages Perform Differently in Crypto Markets Versus Traditional Markets?

Moving averages behave differently in crypto markets due to higher crypto volatility and rapid market sentiment shifts.

Traditional markets typically show more stable patterns, making moving averages more reliable indicators. In crypto, shorter-period moving averages are often preferred as they adapt faster to quick price changes.

Traders usually need to adjust their moving average periods and combine them with other indicators to account for crypto’s unique characteristics.

Which Moving Average Periods Work Best During High-Inflation Economic Environments?

During high-inflation periods, shorter moving average periods of 10-20 days tend to work better as they capture rapid price movements more effectively.

Longer periods like 50 or 200 days may miss important shifts in market sentiment caused by inflation news.

The best strategies typically combine multiple timeframes, using shorter averages for entry points while keeping longer averages as trend filters for broader economic context.

How Do Moving Averages Behave During Black Swan Events?

During black swan events, moving averages struggle to keep up with extreme market volatility.

These averages typically lag behind rapid price changes, making them less reliable indicators during sudden market crashes or unexpected events.

As investor sentiment shifts dramatically, both shorter and longer-term moving averages can produce delayed or false signals, requiring traders to rely more on other technical indicators and risk management strategies.

Conclusion

The debate between SMA and EMA comes down to individual trading needs. While EMAs offer quicker responses to price changes, SMAs provide more stable signals. Neither indicator is universally superior – success depends on matching the right tool to your trading style, timeframe, and market conditions. Traders should test both methods with their strategies before deciding which works best for their specific situation.



Author: Shane Daly
Shane started on his trading career in 2005 and sought a more structured approach to his trading methodology. This lead becoming a Netpick's customer in 2008. His expertise lies in technical analysis, incorporating a macro overview for effective trade filtering. Shane's trading philosophy has been influenced by several prominent traders, contributing to his composed and methodical approach to market engagement. Initially focusing on day trading in the Forex market, Shane has since transitioned to a swing and position trading strategy across various markets, including stocks and futures. This shift has allowed him to optimize his time management without compromising his trading performance. By adopting longer-term trading horizons, Shane has successfully reduced his screen time while maintaining consistent returns.