You’ve probably heard someone say “the stock is riding the 9 EMA” or “it just broke below the 20” — and thought, what does that even mean?
Moving averages are one of the most widely used tools in all of trading. Walk into any trading room, peek at any professional’s chart, and you’ll see those smooth, curving lines layered over the price action. There’s a reason for that. These simple lines cut through the noise of every candle, every wick, every fake-out — and show you what’s actually happening underneath.
But here’s what trips up most beginners: there are different types of moving averages, different settings, and completely different ways to use them depending on whether you’re day trading, swing trading, or investing for the long haul. Using the wrong one — or worse, using the right one in the wrong market — can drain your account faster than you’d expect.
In this guide, we’re going to break down exactly what moving averages are, how the two most important types — the Simple Moving Average (SMA) and the Exponential Moving Average (EMA) — actually work, and most importantly, which ones belong on your day trading charts and how to read them. No complicated math. No unnecessary jargon. Just the practical knowledge you need to start using moving averages with confidence.
What Is a Moving Average?
A moving average is simply the average price of a stock over a specific number of time periods, and it updates — or “moves” — as new price data comes in.
Think of it like this. Imagine you’re tracking your daily spending. If you averaged the last 10 days of spending, you’d get a number that smooths out the random spikes (like that expensive dinner on Saturday) and shows your general spending trend. Each new day, the oldest day drops off and the newest day gets added. That’s exactly what a moving average does with a stock’s price.
On a chart, a moving average appears as a smooth, curving line that follows the price action. When the price is trending up, the moving average slopes upward below the price. When the price is falling, the moving average slopes downward above the price. And when the market is going sideways? The moving average flattens out — which, as you’ll learn later, is actually a warning sign.
Why do traders care about this line? Three reasons.
It reveals the trend. Raw price action on a 5-minute chart can look like chaos — green candles, red candles, wicks everywhere. A moving average cuts through that noise and tells you: is this stock generally going up, going down, or going nowhere right now?
It acts as dynamic support and resistance. Unlike a static price level — say, $50 — that never changes, a moving average shifts with the price. In an uptrend, price often “bounces” off a rising moving average like a ball bouncing off an escalator. In a downtrend, it acts as a ceiling the price can’t break through. We covered the foundations of support and resistance in our Support and Resistance basics guide — moving averages are the dynamic, real-time version of those concepts.
It’s a self-fulfilling prophecy. This is something most beginner guides skip, and it’s arguably the most important thing to understand. Moving averages “work” partly because millions of other traders are watching the exact same lines on their charts. When a stock pulls back to the 9 EMA on a 5-minute chart and a thousand traders see it and buy — that buying pressure itself causes the bounce. The indicator doesn’t predict the future. It reflects the behavior of everyone watching it.
That last point matters more than any formula. Moving averages are a consensus tool. They tell you what the crowd is watching.
How Does a Simple Moving Average (SMA) Work?
The Simple Moving Average — SMA — is the most straightforward version. It takes the closing prices over a set number of periods, adds them together, and divides by that number. Every price point gets equal weight.
Here’s what that looks like in practice. Say you’re looking at a 10-period SMA on a 5-minute chart. The calculation takes the closing price of the last 10 five-minute candles, adds them up, and divides by 10. When the next candle closes, the oldest candle drops off and the newest one takes its place. That’s it — the average “moves” forward with each new bar.
The SMA formula (simple version): SMA = (Sum of closing prices over N periods) ÷ N
The strength of the SMA is its smoothness. Because every price point gets equal weight — whether it happened 10 minutes ago or 50 minutes ago — the SMA produces a clean, steady line that filters out short-term noise effectively. That makes it excellent for identifying the bigger picture trend.
The weakness? It’s slow. Because that price from 50 minutes ago carries the same importance as the price from 2 minutes ago, the SMA doesn’t react quickly when something changes. If a stock suddenly reverses direction, the SMA will take its time catching up. For longer-term context — like a 50-period or 200-period SMA on a daily chart — that smoothness is a feature, not a bug. But for fast intraday decisions? That lag can cost you.
Day traders tend to use SMAs for the “big picture” moving averages — the 50 and 200 period — where you want stability over speed. For the fast-moving averages where timing matters? That’s where the EMA comes in.
How Does an Exponential Moving Average (EMA) Work?
The Exponential Moving Average — EMA — solves the SMA’s biggest problem: lag. It does this by giving more weight to recent prices and less weight to older ones.
Here’s the intuition without the heavy math. Imagine you’re asking 10 friends for restaurant recommendations. With the SMA approach, you’d value everyone’s opinion equally — including your friend who hasn’t eaten out since 2019. With the EMA approach, you’d still listen to everyone, but you’d trust your friends who ate out last week a lot more than the one who’s referencing a restaurant that closed three years ago.
That’s essentially what the EMA does with price data. The most recent candles have a larger influence on the average than older candles. The result? The EMA line hugs the price more closely and reacts faster to changes in direction.
Why this matters for day trading: When you’re trading on a 1-minute or 5-minute chart and a stock starts to reverse, every second counts. The EMA picks up that shift faster than the SMA, giving you earlier signals. That speed advantage is why the vast majority of day traders use EMAs for their short-term moving averages.
But — and this is a big but — that speed comes with a trade-off. Because the EMA reacts so quickly, it also generates more false signals. In a choppy, sideways market, the EMA will whip back and forth, crossing above and below the price constantly, making it look like the trend is changing every few minutes when it’s really just noise. We’ll dig into that trap in a later section, because it’s one of the most expensive mistakes beginners make.
The formula itself involves a “smoothing multiplier” that weights recent prices more heavily — your charting platform handles all of this automatically. You don’t need to calculate an EMA by hand. What you do need to understand is the behavior: EMA = faster, closer to price, more responsive, but noisier. SMA = slower, smoother, more reliable in volatile conditions, but lagging.
EMA vs. SMA: Which Moving Average Should Day Traders Use?
Here’s the honest answer: you’ll probably use both. They serve different purposes on your chart.
The EMA is your go-to for short-term trend reading and entry timing. Its responsiveness makes it ideal for the fast decisions day trading demands — reading momentum on a 1-minute or 5-minute chart, spotting pullback entries, and gauging whether a move still has legs. Most day traders use EMAs for their primary intraday moving averages (9 and 20 period).
The SMA is your anchor for bigger-picture context. The 50-period and 200-period SMAs on a daily chart tell you the overall direction the stock has been heading. Even as a day trader, you want to know whether you’re trading a stock that’s in a long-term uptrend, downtrend, or stuck in a range. The SMA’s smoothness is an advantage here because you don’t want your long-term context line jumping around with every intraday fluctuation.
Here’s how our team thinks about it: use the EMA as your speedometer, and the SMA as your compass. The EMA tells you what’s happening right now — is this stock accelerating or decelerating? The SMA tells you the general direction — are we heading north or south today?
| Feature | SMA | EMA |
|---|---|---|
| Weighting | All prices equal | Recent prices weighted more |
| Responsiveness | Slower to react | Faster to react |
| Best for | Long-term trend context (50, 200) | Short-term timing and entries (9, 20) |
| False signal risk | Lower (smoother) | Higher (noisier) |
| Day trading role | Background context | Active decision-making |
One common mistake beginners make: spending hours debating whether to use the 9 EMA or the 10 EMA, or the 20 EMA vs. the 21 EMA. Here’s the reality — the difference is negligible. What matters far more is understanding what the moving average is telling you and combining it with volume and price action, not splitting hairs over one period difference.
The Moving Average Periods Every Day Trader Should Know
Not all moving averages are created equal, and the period you choose — the number of candles in the calculation — changes everything about what the line tells you. Here are the four that matter most for day trading.
The 9 EMA — Your Momentum Pulse
The 9 EMA is the fastest commonly used moving average in day trading. On a 5-minute chart, it represents the average price over the last 45 minutes of trading. Because it’s so short, it hugs the price action tightly and reacts almost instantly to changes.
Day traders use the 9 EMA to gauge immediate momentum. When a stock is in a strong move — a momentum run or a breakdown — the price will often stay above the 9 EMA (in an uptrend) or below it (in a downtrend) without touching it. The moment price starts closing candles below the 9 EMA in an uptrend? That’s an early warning that momentum is fading.
The phrase “riding the 9” is common in trading communities. It means the stock is trending so strongly that the 9 EMA is acting as a moving floor, catching every minor dip. It’s a beautiful thing when it happens — and a clear signal to stay in the trade.
The 20 EMA — Your Short-Term Trend Filter
The 20 EMA is the workhorse of day trading moving averages. On a 5-minute chart, it covers roughly the last 100 minutes — about an hour and 40 minutes of trading. That’s long enough to filter out the tiny fluctuations that make the 9 EMA noisy, but short enough to stay relevant for intraday decisions.
Think of the 20 EMA as your intraday trend line. If the price is above the 20 EMA and the 20 is sloping upward, the short-term trend is bullish — you want to be looking for long entries (buying). If the price is below a declining 20 EMA, the trend is bearish — look for short setups or stay out. When the price is crossing the 20 EMA back and forth with no clear direction? The stock is choppy, and moving average signals are unreliable. That’s your cue to wait.
Many traders combine the 9 and 20 EMA together. When the 9 EMA is above the 20 EMA, short-term momentum aligns with the trend — a green light. When they cross over each other (more on crossovers shortly), it signals a potential shift.
The 50 SMA — Your Daily Trend Anchor
The 50-period SMA on a daily chart shows the average closing price over the last 50 trading days — roughly one quarter of trading. Institutional traders, hedge funds, and algorithms all watch this level, which is what makes it meaningful.
As a day trader, you’re not typically plotting the 50 SMA on your 5-minute chart. Instead, you check it on the daily chart before the market opens as part of your pre-market prep. If the stock you’re trading is well above its daily 50 SMA, the intermediate trend is bullish — that’s wind at your back for long trades. If it’s well below, you’re trading against the current unless you’re going short.
The 200 SMA — The Line in the Sand
The 200-period SMA on a daily chart is the single most watched moving average in all of financial markets. It represents roughly a full year of trading data and serves as the dividing line between a long-term bull market and a bear market for many institutional investors.
You won’t use it for entry timing on a 5-minute chart. But knowing where the 200 SMA sits on the daily chart gives you critical context. A stock trading above its 200 SMA is, broadly speaking, in a healthy long-term uptrend. Below it? The long-term picture is bearish. When a stock approaches its daily 200 SMA, expect a reaction — either a bounce or a significant break — because so many market participants are watching that exact level.
This is that self-fulfilling prophecy effect in action. The 200 SMA doesn’t have magic predictive power. It has attention power. And in markets, attention creates reality.
How Day Traders Actually Use Moving Averages
Understanding the theory is one thing. Knowing what to actually do when you see these lines on your chart is another. Here are four practical ways day traders use moving averages every single day.
Method 1: Trend Direction Filter
The simplest and most powerful use: don’t fight the trend.
Before entering any trade, check the moving average. If the price is above the 20 EMA and the 20 EMA is sloping upward, only look for long trades (buying). If the price is below a declining 20 EMA, only look for short trades or stand aside. This one rule alone will save you from dozens of losing trades where you bought into a downtrend because “it looked cheap.”
Our team has seen it over and over — beginners who ignore the trend direction and try to pick bottoms or tops get crushed. The moving average doesn’t tell you where the reversal will happen. It tells you what’s happening right now. Trade with it, not against it.
Method 2: Dynamic Support and Resistance
In a strong uptrend, price tends to pull back to a key moving average — typically the 9 or 20 EMA — and then bounce. Traders use these pullbacks as entry opportunities. The logic: buying at the 20 EMA in an uptrend gives you a lower-risk entry compared to chasing the stock at its highs.
Imagine a staircase. Each step up is a new high, and each landing where you rest is a pullback to the moving average. As long as the price keeps stepping back up from the EMA, the trend is healthy. When it falls through the EMA and doesn’t bounce? The staircase might be breaking.
In a downtrend, the same thing works in reverse — the moving average acts as a ceiling. Price rallies up to the 20 EMA, gets rejected, and continues falling. Short sellers use these rejections at the moving average as entry points.
One critical note: a moving average bounce isn’t an automatic buy signal. You need confirmation — does volume increase on the bounce? Is the broader market supporting the move? Moving averages work best when combined with other tools. Volume, which we cover in depth in our Volume Analysis guide, is the most important confirmation tool.
Method 3: Crossover Signals
A crossover happens when a faster moving average crosses above or below a slower one. The most common intraday crossover is the 9 EMA crossing the 20 EMA.
When the 9 EMA crosses above the 20 EMA, it suggests short-term momentum has turned bullish — recent prices are now higher than the slightly longer-term average. Many traders treat this as a potential buy signal.
When the 9 EMA crosses below the 20 EMA, it suggests short-term momentum has turned bearish — a potential signal to exit longs or consider shorts.
Sounds simple, right? Here’s the catch: crossovers are lagging signals. By the time the 9 EMA actually crosses above the 20 EMA, a good chunk of the move has already happened. You’re getting confirmation, not a prediction. That’s fine — confirmation is valuable. But if you expect a crossover to call exact tops and bottoms, you’re going to be disappointed.
The best crossover signals happen when they align with other evidence: strong volume, a clear chart pattern, and a stock that’s been consolidating before breaking out. A crossover in a choppy, directionless market? Almost always a trap.
Method 4: Moving Average Slope (Trend Strength)
This one’s underrated. Don’t just look at where the moving average is — look at its angle.
A steeply rising 20 EMA signals strong bullish momentum. A gently rising 20 EMA signals a slow, steady trend. A flat 20 EMA? No trend at all — the market is undecided. And a sharply declining 20 EMA tells you sellers are firmly in control.
The slope gives you a quick visual read on conviction. A steep angle means the trend has strong participation. A flat angle means nobody can agree on direction — and that’s your signal to be cautious. You wouldn’t drive fast in fog, and you shouldn’t trade aggressively when the moving average can’t pick a direction.
The Golden Cross and Death Cross: What Beginners Need to Know
You’ll hear these terms a lot, so let’s cut through the drama.
A Golden Cross occurs when the 50-day SMA crosses above the 200-day SMA on a daily chart. It’s considered a bullish signal — suggesting the intermediate-term trend is overtaking the long-term trend to the upside. The name sounds exciting, and financial media love to make it front-page news.
A Death Cross is the opposite — the 50-day SMA crosses below the 200-day SMA. Bearish signal. Media panic. Scary headlines.
Here’s what you actually need to know as a beginner day trader:
These are long-term signals, not day trading triggers. The golden cross and death cross happen on the daily chart and reflect trends that unfold over weeks and months, not minutes and hours. You would never use a golden cross as a reason to buy a stock at 9:45 AM for a scalp trade.
They’re lagging — significantly. By the time the 50-day average catches up and crosses the 200-day average, the trend change has usually been underway for a while. Think of them as the official confirmation that the trend has shifted, not a breaking news alert.
They’re useful for context. If the stock you’re about to day trade recently experienced a golden cross on the daily, that tells you institutional sentiment is turning bullish. That’s useful background information — it means your long trades have the wind of the bigger trend behind them. A death cross tells you the opposite.
Don’t overthink these. They’re a context tool, not an action signal. As a day trader, what’s happening on your 5-minute chart with the 9 and 20 EMA matters far more for your actual trade decisions than whether the daily chart showed a golden cross last month.
When Moving Averages Fail: The Whipsaw Trap in Choppy Markets
This section might save your account. Seriously.
Moving averages are trend-following tools. That’s the key word — trend. They work beautifully when a stock is moving in a clear direction. The problem is, markets don’t trend all the time. Research estimates that stocks spend a significant portion of their time in sideways, range-bound conditions where there’s no clear trend at all.
And in those conditions? Moving averages will lie to you. Repeatedly.
Here’s what happens. The stock trades in a tight range. Price bounces above the 20 EMA — looks bullish, you buy. Then it dips right back below — looks bearish, you sell at a loss. Then it crosses back above — bullish again? You buy. It drops. You sell. Each little whipsaw costs you money on the entry, the exit, and the spread. After a dozen of these, your account has been chipped away by death-by-a-thousand-cuts — not from one big loss, but from a series of small ones triggered by false moving average signals.
This is called a whipsaw, and it’s the number one way moving averages hurt traders who don’t understand their limitations.
How to recognize the whipsaw trap before it gets you:
The moving average is flat or nearly flat — no clear slope. If the 20 EMA looks like a horizontal line instead of a rising or falling wave, the stock isn’t trending. Moving average signals in this environment are noise, not signal.
Price is crossing the moving average repeatedly in both directions within a short time. One cross is a signal. Four crosses in 30 minutes is a choppy mess.
The 9 EMA and 20 EMA are tangled together — crossing back and forth, practically overlapping. When the fast and slow moving averages can’t separate from each other, there’s no trend to trade.
What to do about it:
Step away. Seriously. The most profitable thing you can do in a choppy market is nothing. Moving averages are telling you “there’s no trend here” — that’s valuable information too. Wait for the MAs to separate and start sloping before trusting them again. Combine with VWAP — covered in our VWAP guide — to add a volume-weighted context layer. And always confirm MA signals with volume. A moving average crossover on low volume is almost always a trap; a crossover on surging volume is far more likely to stick.
The ability to recognize when your tools aren’t working — and to sit on your hands instead of forcing trades — is what separates the traders who survive their first year from those who don’t.
Your Starter Moving Average Setup: What to Put on Your Chart Today
If you’re reading this article and want to take action right now, here’s the exact moving average setup our team recommends for beginners learning to day trade stocks.
On your 5-minute chart (your main trading chart):
- 9 EMA — your momentum pulse. Use it to read immediate trend strength. A stock “riding the 9” is in a strong move.
- 20 EMA — your trend filter. This tells you the intraday trend direction. Only look for longs above a rising 20 EMA, shorts below a falling 20 EMA.
On your daily chart (your pre-market context check):
- 50 SMA — your intermediate trend anchor. Check this before the market opens to see if the stock is in a bullish or bearish intermediate trend.
- 200 SMA — your big picture line. Is this stock healthy long-term? Above the 200 = generally bullish. Below = generally bearish.
That’s it. Four lines. Two on your intraday chart, two on your daily chart.
Resist the temptation to add more. We’ve seen beginners pile on 7 or 8 different moving averages until their chart looks like a bowl of spaghetti. More lines don’t mean more edge — they mean more confusion. Start with these four, learn how price interacts with them, and add complexity later only if you have a specific reason.
If you want to explore charting platforms and tools for setting these up, we break down the best options in our Day Trading Toolkit.
One final tip: don’t change your moving average settings every time a trade doesn’t work. The settings aren’t the problem — the market conditions are. Some days your MAs will work perfectly. Other days, the market will be choppy and nothing will work. That inconsistency isn’t a flaw in your setup. It’s the nature of markets. Your job is to recognize which kind of day you’re in and adjust your behavior accordingly.
What’s Next in Your Day Trading Journey
You now understand how moving averages work, why EMAs are the day trader’s best friend for short-term signals, and when SMAs provide the steady context you need. But moving averages are most powerful when you can read the volume behind the moves. A price bounce off the 9 EMA with exploding volume is a completely different signal than the same bounce on thin, quiet volume.
That’s exactly what we cover next — how to read buying and selling pressure through volume analysis.
→ Next Article: Understanding Volume Analysis: Reading Buying & Selling Pressure
Frequently Asked Questions
What is the best moving average for day trading?
Quick Answer: There’s no single “best” moving average — the 9 EMA and 20 EMA are the most popular combination for intraday trading, while the 50 and 200 SMA provide bigger-picture context.
Most day traders use the 9 EMA to track immediate momentum and the 20 EMA as their primary trend filter on the 5-minute chart. These two work together — when the 9 EMA is above the 20 EMA and both are sloping upward, the short-term trend is clearly bullish. For daily chart context, the 50 SMA and 200 SMA show the intermediate and long-term trend direction. No single moving average will work in all market conditions, so the real skill is learning when your MAs are reliable and when the market is too choppy for them to help.
Key Takeaway: Start with the 9/20 EMA combo on your intraday chart and the 50/200 SMA on your daily chart — then learn to read what they’re telling you before adding complexity.
What is the difference between EMA and SMA?
Quick Answer: The SMA gives equal weight to all prices in the calculation period, while the EMA gives more weight to recent prices, making it faster and more responsive to current price changes.
In practice, this means the EMA line hugs the price action more closely than the SMA. When a stock reverses direction, the EMA picks it up sooner — which is valuable for day traders making split-second decisions. The trade-off is that the EMA also generates more false signals in choppy, sideways markets because it reacts to every small price fluctuation. The SMA’s slower nature makes it better for identifying stable, long-term trends where you don’t want to be distracted by noise. Many day traders use both: EMAs for fast intraday signals and SMAs for longer-term trend context.
Key Takeaway: Think of the EMA as your speedometer (fast, responsive) and the SMA as your compass (steady, directional) — both serve different purposes on your chart.
What does “riding the 9 EMA” mean?
Quick Answer: “Riding the 9” means a stock is in such a strong trend that the price stays above the 9 EMA without breaking below it, using it as a moving support floor.
During strong momentum moves, you’ll see the price pull back slightly to the 9 EMA on the 5-minute chart and then bounce right back up, creating a staircase pattern. As long as the stock keeps “riding” this moving average — bouncing off it on minor dips — the momentum is intact. The moment the price closes convincingly below the 9 EMA, it’s an early warning sign that the momentum is fading and the move may be ending. This is one of the simplest and most effective ways to manage a winning trade in real time.
Key Takeaway: If a stock is riding the 9 EMA on strong volume, stay in the trade. When it breaks below, tighten your stop or take profits.
Do moving averages predict future price movements?
Quick Answer: No. Moving averages are lagging indicators — they show you what has already happened, not what will happen next. They confirm trends rather than predict them.
This is one of the most important things to understand about moving averages. Because they’re calculated from past prices, they always react after a move begins. A crossover signal, a bounce off the 20 EMA, a golden cross on the daily chart — all of these confirm that something has changed, but the change already started before the signal appeared. Moving averages are most useful as trend-confirmation and trend-filtering tools. They help you stay on the right side of the market by telling you the current direction, which is enormously valuable even if they can’t tell you the future.
Key Takeaway: Treat moving averages as a rearview mirror that shows you where you’ve been and the current direction — not a crystal ball.
What is a moving average crossover?
Quick Answer: A crossover occurs when a faster moving average crosses above or below a slower one, signaling a potential shift in trend direction.
The most popular intraday crossover is the 9 EMA crossing the 20 EMA. When the 9 crosses above the 20, it suggests short-term momentum is turning bullish. When it crosses below, momentum is shifting bearish. On the daily chart, the 50 SMA crossing the 200 SMA creates the famous “golden cross” (bullish) or “death cross” (bearish) signals that get heavy media attention. The critical thing to remember is that crossovers are lagging signals — a significant portion of the move has typically already happened by the time the crossover occurs. Always confirm with volume and price action rather than blindly buying or selling on every cross.
Key Takeaway: Crossovers are confirmation signals, not entry signals on their own — always pair them with volume and broader market context.
Why do moving averages fail in choppy markets?
Quick Answer: Moving averages are trend-following tools, so they generate constant false signals in sideways, range-bound markets where there’s no trend to follow — creating expensive “whipsaw” losses.
In a choppy market, price bounces above and below the moving average repeatedly without committing to a direction. Each cross looks like a trend change but reverses almost immediately. A trader who buys every time price crosses above the 20 EMA and sells every time it crosses below will get chopped to pieces — accumulating small losses on every false signal. The key warning signs are a flat or nearly flat moving average, frequent price crosses in both directions, and the 9 and 20 EMAs tangled together with no separation. When you see these conditions, the smartest move is to step away and wait for a clear trend to develop.
Key Takeaway: Recognize that no tool works in all conditions. When your MAs are flat and tangled, stop trading MA signals and wait for clarity.
How many moving averages should I put on my chart?
Quick Answer: Start with two on your intraday chart (9 EMA and 20 EMA) and two on your daily chart (50 SMA and 200 SMA). Four total is plenty for a beginner.
Adding more moving averages doesn’t give you more edge — it gives you more confusion. Every additional line is another potential signal to interpret, and when multiple MAs give conflicting signals, beginners freeze or make impulsive decisions. Master reading two EMAs on your trading timeframe first. Learn how price interacts with them in trending and choppy conditions. Once you’ve logged enough screen time to read them intuitively, you can experiment with adding a third — but most professional day traders we know keep their charts clean and simple.
Key Takeaway: Less is more. Two intraday EMAs and two daily SMAs cover everything a beginner needs — complexity comes later, only with a specific reason.
What is the golden cross and does it matter for day trading?
Quick Answer: The golden cross is when the 50-day SMA crosses above the 200-day SMA on a daily chart, signaling a long-term bullish trend shift. It matters for context, not for intraday trade timing.
The golden cross is a big deal for swing traders and investors because it confirms that the intermediate-term trend has overtaken the long-term trend to the upside. The media loves covering it. But for day traders, it’s background information — not an action trigger. If the stock you’re planning to trade today recently experienced a golden cross on the daily chart, that tells you the bigger trend supports long trades. That’s useful context. But you’d never buy at 10:15 AM because a golden cross happened last week. Your intraday decisions should be driven by the 9/20 EMA on your 5-minute chart, not by what the daily moving averages did days ago.
Key Takeaway: Use the golden cross and death cross as pre-market context checks on the daily chart — not as intraday trading signals.
Should I use the 20 EMA or the 21 EMA?
Quick Answer: It doesn’t matter. The difference between a 20 EMA and a 21 EMA is negligible — pick one and stick with it.
This is one of the most common rabbit holes beginner traders fall into, and we see it constantly in trading communities. “Should I use 9 or 10? 20 or 21? 50 or 55?” The honest truth is that moving averages work because of the concept (smoothing price, identifying trends, self-fulfilling prophecy of crowds watching similar levels), not because of a magic number. A 20 EMA and a 21 EMA will generate virtually identical signals. The time you spend optimizing between them would be far better spent learning to read price action, volume, and market conditions. Pick the standard settings (9, 20, 50, 200), learn them deeply, and move on.
Key Takeaway: Stop chasing the “perfect” setting. Consistent application of a standard setup beats endlessly tweaking numbers.
How do I combine moving averages with other indicators?
Quick Answer: Moving averages work best when paired with volume analysis and VWAP for confirmation — never rely on MAs alone for trade decisions.
The most practical combination for day traders is moving averages + volume + VWAP. Moving averages tell you the trend direction, VWAP — covered in our VWAP guide — tells you where the volume-weighted fair value sits for the day, and volume analysis tells you whether a move has real participation behind it. For example, a bounce off the 20 EMA on high volume and above VWAP is a strong bullish signal with triple confirmation. The same bounce on low volume and below VWAP is much weaker. For more advanced combinations — like using RSI, MACD, or Bollinger Bands alongside MAs — we cover those in our RSI, MACD & Bollinger Bands guide.
Key Takeaway: Moving averages are most powerful as part of a confirmation stack — pair them with volume and VWAP for higher-probability trade decisions.
Disclaimer
The information provided in this article is for educational purposes only and should not be considered financial advice. Day trading involves substantial risk and is not suitable for every investor. Past performance is not indicative of future results.
For our complete disclaimer, please visit: https://daytradingtoolkit.com/disclaimer/
Article Sources
The information and concepts in this article are grounded in research and educational resources from leading financial institutions. These sources provide authoritative, in-depth coverage of moving average calculations, applications, and limitations for traders at all experience levels.
- Investopedia — Moving Average (MA): Purpose, Uses, Formula, and Examples — The gold standard definition and calculation guide for both SMA and EMA, including practical trading applications.
- Charles Schwab — Simple vs. Exponential Moving Averages — Institutional-quality comparison of SMA and EMA characteristics with visual chart examples.
- Corporate Finance Institute — Golden Cross Overview — Professional-grade explanation of golden cross and death cross patterns, including the three stages of each signal.
- StockCharts ChartSchool — Moving Averages — Comprehensive technical analysis education covering MA types, period selection, and practical chart interpretation.
- Fidelity Investments — How to Use Moving Averages — Beginner-friendly moving average guide from one of the largest U.S. brokerages, covering support/resistance and crossover applications.
- SEC Investor.gov — Technical Analysis — U.S. Securities and Exchange Commission’s investor education on technical analysis tools and their appropriate use in the markets.
