Copy trading: what the track record does not tell you

Copy trading links your account to somebody else's. When they open a position, a proportional position opens in yours; when they close it, yours closes. Seventy-one of the hundred brokers we rate offer it in some form, usually through their own platform or a service like ZuluTrade or Myfxbook.

The appeal is obvious and mostly honest: you get exposure to a strategy without having to build one. What it does not do is remove risk. It moves the decision from "which trade" to "which trader", and that decision is harder to make well because the information you are given is designed to be persuasive.

How the sizing works

Copying is proportional, not identical. Understanding the arithmetic matters because it is where people are surprised.

Two practical consequences. If the provider's minimum position size is larger than your ratio allows, some trades may not be copied at all, which quietly changes the strategy you are following. And your broker's spreads and commission are yours, not theirs - a strategy scraping a few pips per trade can be profitable on their costs and unprofitable on yours.

The number that gets advertised, and the one that matters

Leaderboards sort by return. Return is the least informative figure available, because it says nothing about what was risked to produce it.

The figure that matters is maximum drawdown: the largest peak-to-trough fall the account has taken. A strategy up 300% with a 20% maximum drawdown and one up 300% with an 80% drawdown are not comparable investments, and only one of them is survivable if you join at the wrong moment.

Why a 90% win rate is a warning

A very high win rate on a copy-trading leaderboard is more often a description of the exit rules than of the trader's skill. There are two common ways to manufacture one, and both end the same way.

The first is never taking a loss: leaving losing positions open indefinitely so they never register. The equity curve looks smooth, the win rate stays high, and the floating loss on the open positions is not in the headline figure. It resolves eventually, all at once.

The second is martingale - doubling the position after each loss until a win recovers the sequence. It produces a long string of small wins and an eventual catastrophic loss, and it is very common on public leaderboards precisely because it looks so good until it does not.

Why martingale ends the way it does. Starting at $100 a trade and doubling after each loss.

What to look at before copying anyone

Most platforms show all of this if you go past the leaderboard. The ones that do not show it are themselves informative.

• How long is the track record? Under twelve months tells you very little.
• What is the maximum drawdown, not the average?
• How long did it take to recover from that drawdown?
• Does position size stay constant, or grow after losses?
• Are there long-held open positions not reflected in the return?
• How many trades? Thirty results are noise, three thousand are a pattern.
• Is the return concentrated in a handful of trades or spread across many?
• What leverage does the strategy typically run?
• Does the provider have their own money in it?
• What do my costs do to a strategy this size and frequency?

Copying several people is not automatically diversification

Spreading an allocation across five providers reduces your exposure to any one of them failing. It does not help if all five are trading the same instruments in the same direction, which on a forex platform is entirely likely - most retail strategies are running majors, and a strong dollar move affects all of them at once.

This is the same trap as holding four correlated positions yourself, described in diversification. Check what the providers actually trade before assuming five names means five bets.

Where the money goes

Providers are normally paid a share of the profit they generate, sometimes with a subscription or a volume rebate alongside it. Performance fees are usually charged on gains without a matching penalty for losses, which is worth understanding: the provider's upside and yours are aligned, their downside and yours are not.

That asymmetry is precisely what rewards high-variance strategies. A provider running enormous leverage either produces a spectacular return and a large fee, or blows up and loses the account they were trading - and if that account was funded largely by copiers, the personal cost of the second outcome is small.

It is not passive

Copy trading is usually sold as hands-off, and it is not. Someone still has to decide how much to allocate, when a strategy has changed character, and when to stop. Those are the same judgement calls as trading, made with less information about what is actually happening.

The one thing it genuinely removes is the moment-to-moment execution. Everything above it remains yours, and remains the part that decides the outcome.

Questions people ask about copy trading