Trend Following vs Momentum Trading
Trend following is an exit rule: hold a position while the move continues, and leave on a trailing stop. Momentum trading is an entry rule: buy what has already moved, ranked by recent strength. Both assume continuation, and neither does the other's job.
Both of these say the same thing about markets: what has been moving tends to keep moving. They differ in which decision they answer, and because both get described as trading with the trend, people routinely adopt one and assume they have a complete method.
What each one is
Momentum trading is an entry rule. Rank by recent strength, buy the top, on the claim that strength persists. Momentum trading covers it.
Trend following is an exit rule. Hold while the move continues, leave on a trailing stop, never capture the top. Trend following covers it, and mean reversion covers the opposing assumption both reject.
They share an assumption and split the work. Whereas both bet on continuation, one decides what goes in the account and the other decides what takes it out, and a method missing either half is incomplete in a way that is easy not to notice.
Where they differ
Which decision each makes. Momentum answers what to buy and says nothing about when to sell. Trend following answers when to sell and says nothing about what to buy — a trailing stop is meaningless without a position to trail.
What each is measured by. Momentum’s evidence is continuation: on this site’s shared series 85% of 39 twenty-bar breakouts continued and 11 of 11 fifty-five-bar breakouts did. Trend following’s is duration: a trailing stop survived a median of 3, 10, 22 and 32 bars at one to four average true ranges, across 562 trials.
How each fails alone. Momentum with a fixed target caps exactly the winners its arithmetic depends on. Trend following with no selection rule trails whatever you happened to buy, which makes the exit sophisticated and the portfolio arbitrary.
Which is easier to get wrong quietly. The exit. A momentum entry rule is explicit and testable; a trail distance is a number people set by comfort and then adjust after painful trades, which changes the strategy without changing its name.
Where they agree
Both assume continuation. Neither works if moves reliably reverse, and both are the direct opposite of a reversion approach.
Both need markets that trend. Direction runs here average 2.01 bars with a longest of 11, so both spend most of their time in the condition they are worst at.
Both have poor hit rates and depend on outliers. A small number of large winners pays for a great many small losses in each case.
And both live through drawdown. On this series 95% of bars sat below a prior peak with the longest wait for a new high at 73 bars.
Which one to use
Use both, because they are the two halves. Momentum selects and trend following exits, and that combination is what almost every documented result in this area actually is.
Use momentum alone only when something else supplies the exit. A time-based exit or a fundamental one is a legitimate substitute; a fixed target is not, because it removes the trades that carry the return.
Use trend following alone only when something else supplies the selection. A screen, a fundamental process, or a discretionary read all work; buying whatever is in front of you does not.
And when you are choosing between them, you have found the half you are missing. The question itself is the diagnosis.
Why the exit is the half people get wrong
Because the entry is judged immediately and the exit is judged for years. A breakout either continues or does not, and you find out quickly. A trail distance shows its effect only across the small number of very large winners, which take a long time to accumulate and are the easiest thing to lose by adjusting.
And because tightening it feels like risk management. Moving a trail from four average true ranges to two takes the median hold from 32 bars to 10, which is not prudence — it is a different strategy wearing the same label.
The original data
Of the 24,971 unique videos in the search corpus, no title compares these two directly. Trend following appears in 116 titles at a median of 3,608 views across 91 channels. Momentum trading appears in 82, at a median of 6,167 across 71.
Under two hundred videos between them. These two halves together describe the best-documented systematic approach in the style group and draw a fraction of the attention scalping does at 706 videos and 23,694 median views — which is a fact about what people search for rather than about what holds up.
On the chart above the entry rule has already done its job and the exit rule has not been asked yet. Answering with a fixed target here is answering the exit question with the entry half of the method.
When it fails
The characteristic failure is running a momentum entry with a target-based exit and concluding momentum does not work. The entry rule performs exactly as advertised — a high proportion of breakouts continue — and the target closes each one at a modest planned profit while every loser runs to its full stop. The distribution that made the approach viable is removed, the expectancy inverts, and none of it is visible in any single trade because each one looks like a small win. The trader then abandons a sound entry rule on evidence generated entirely by the exit rule bolted onto it.
A second failure is trailing too tight. Median survival at one average true range was 3 bars across 562 trials, which is an exit rather than a trail.
A third is running either half in a range. Direction runs average 2.01 bars here, and both halves have no mechanism in that condition.
A fourth is treating the small breakout samples as proof. Thirty-nine and eleven observations are pointers.
And a fifth is judging the pair on a period containing no large winner, which removes the entire source of the return.
Related
Trend following covers the trailing exit rule. Momentum trading covers the entry rule. And mean reversion covers the assumption both of these reject.
The reason these get treated as competitors is that both are described as ’trading with the trend’, so they sound like two names for one thing. They are two different decisions, and a strategy needs an answer to each.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.