The 9 EMA Day Trading Strategy
9 EMA strategy is a day trading method that uses a 9-period exponential moving average as both trend filter and entry line: trade long only while price holds above a rising 9 EMA, buy pullbacks that touch it and close back above, and exit on the first close below. Short trades mirror it.
Covered on this page: TradingView.
The 9 EMA is the fastest moving average most day traders keep on a chart, and the strategy built on it is simple enough to state in three rules. Knowing why the line moves the way it does explains both where those rules work and where they stop working.
How it works
An exponential moving average weights recent closes more than old ones. TradingView’s built-in exponential moving average uses a multiplier of 2 / (length + 1), and its default length is 9, so each new close gets 2 / 10 = 20% of the weight and the previous average keeps 80%.
That weight fades fast. A close from 1 bar ago keeps 0.2 × 0.8 = 16%, and the last 9 closes together carry 1 − 0.8⁹ = 86.6% of the line’s value. The last 3 closes alone carry 48.8%. So the 9 EMA is mostly a record of the last few minutes on a one-minute chart, or the last hour on a five-minute one.
The strategy uses it three ways at once:
As a filter. Long trades only while the line is rising and price closes above it; short trades only while it is falling and price closes below it.
As an entry. Buy when a pullback touches the line and the bar closes back above it; the reverse for shorts.
As an exit. Close the trade on the first close on the wrong side of the line.
The common variant adds a slower line. Many traders pair the 9 with a 21, taking longs only while the 9 is above the 21, and some add a 50 as a wider trend filter.
That turns the 9 from the whole method into the timing piece of it, which is the setup the video above recommends for five-minute charts. The moving average crossover page covers the two-line version on its own.
Which timeframe it suits
The line covers roughly the last 9 bars, so the timeframe sets what it describes. On a one-minute chart that is about nine minutes of trading; on a five-minute chart about 45 minutes; on an hourly chart most of a session.
Match it to how long you hold. A trade held for 3 to 10 bars fits the line’s memory. A trade meant to last a day, taken off a one-minute 9 EMA, is being managed by a line that has forgotten the morning.
And check one timeframe up. A rising 9 EMA on the five-minute chart inside a falling hourly trend is a pullback in someone else’s downtrend, which is the situation the slower-line filter exists to catch.
A worked example
Take a hypothetical stock on a five-minute chart with a rising 9 EMA. A pullback trades down to the line, the bar’s low is $88.90, and it closes back above the line at $89.20. That close is the entry.
The stop goes below the pullback low, not at the line. Place it at $88.85, five cents under the low, so the risk is $89.20 − $88.85 = $0.35 a share.
Size from that distance. On a hypothetical $10,000 account risking 1%, the most you lose is $100, and $100 / $0.35 = 285.7, so the position is 285 shares.
The exit is the first five-minute close below the 9 EMA. It is not a price you know in advance; it depends on where the line is when price finally closes under it. If that close comes before price clears the entry by more than your costs, the trade is a small loss even though the rule was followed exactly.
Check the cost before taking it. If the round trip costs $0.02 a share, 285 shares pay $5.70 per trade, which is 5.7% of the $100 risked.
The original data
Of the 24,971 unique videos in this site’s search study, 15 have the 9 EMA in the title, from 11 channels, at a median of 18,862 views. The most viewed has 277,046, and 8 of the 15 stay under 50,000.
Exponential moving averages in general appear in 197 titles at a median of 14,384 views across 140 channels. So the specific 9-period method draws a slightly larger audience per video than the topic around it, from a much smaller number of creators.
2 of the 15 titles carry a dollar figure or a win-rate claim, and the corpus has description text for 9 of them. Titles were matched on “9” or “nine” next to “EMA” or “exponential”, or “EMA 9”, duplicates removed.
This channel’s video embedded above, published 3 May 2026, had 4,217 views and 222 hours of watch time in the YouTube analytics export of 11 Aug 2026. It gives the 9 and 21 pair as one of its one-minute options and the main five-minute setting.
When it fails
It fails in a range, and it fails the same way many times in a row. When price moves sideways the 9 EMA flattens and runs through the middle of the bars. Closes land above it, then below it, then above it again, and each one is a valid entry or exit under the rules.
Every flip costs money. The trader pays a round trip on each one, and none of those trades had a trend underneath them.
The defense is deciding the market type first. Use market structure or a slower line: if the 9 is not above a rising 21, or price is inside a clear trading range, the rules are switched off.
The second failure is the stop at the line. A pullback that touches the line routinely pokes a few cents through it before closing back above, so a stop placed at the line is hit by the very bar that triggers the entry.
A third is chasing. When price runs far above the line, waiting for a touch can mean no trade for a long time, and buying far from the line doubles the stop distance.
A fourth is fast news bars. One wide bar can close through the line and back in the next, so the exit rule takes you out at the worst point of the move.
Related
Exponential moving average explains the weighting behind the line. How to use the EMA shows how to pick a length from your holding period instead of from habit. And trading range describes the market in which these rules stop working.
The EMA by itself is not a strategy, especially if you guys are only using one of them. It’s just a line. The real power is the relationship between your EMAs when they combine with each other.
— Michael Whitman, from this video
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