Leverage and CFDs
Contracts for difference and similar margined derivatives let retail traders take positions far larger than their account balance. They are the dominant retail-trading product in Europe — and the reason regulators intervened.
How leverage changes the maths
Leverage multiplies both the position and the cost of holding it. It does not improve the probability of being right. If a strategy has negative expectancy after costs, leverage increases the size of each loss and shortens the time to account depletion. This is why margin-called accounts cluster among the most heavily leveraged users.
The regulatory record
ESMA capped retail CFD leverage across the EU in 2018 specifically because of documented retail losses, and required brokers to publish their loss rates. ESMA’s analysis at the time found 74–89% of retail CFD accounts losing money; current provider disclosures vary. CFDs remain banned for retail investors in the United States.
Who is on the other side
Many CFD brokers act as the direct counterparty to client trades, meaning client losses can be broker revenue. That structural conflict is examined under broker economics.
A 1% market move is not a 1% account move
Leverage is the ratio of market exposure to account equity. With $1,000 of equity and 10:1 leverage, the position is $10,000. A 1% adverse move therefore loses $100 before fees: 10% of the starting equity. Leverage magnifies favourable moves by the same arithmetic, but it cannot make a losing strategy profitable.
Worked example, not a forecast: $1,000 starting equity, fully deployed at the stated leverage, a 1% adverse price move, and no fees or currency effects. The bars show the percentage of starting equity lost.
| Leverage | Position size | Loss | Equity remaining |
|---|---|---|---|
| 1:1 | $1,000 | $10 | $990 |
| 5:1 | $5,000 | $50 | $950 |
| 10:1 | $10,000 | $100 | $900 |
| 30:1 | $30,000 | $300 | $700 |
A provider can close a position before the account reaches zero if its margin-closeout threshold is breached. Gaps and slippage can change the realised loss. Negative-balance protection, where required, limits account-level liability; it does not stop the deposited funds being lost.
What the European safeguards do—and do not do
ESMA’s 2018 retail CFD measures set different leverage caps for different assets, introduced account-level margin closeout and negative-balance protection, and standardised risk warnings. The 74–89% loss range came from the regulator’s analysis at that time; it is not a timeless range for every broker. For a current provider, read the provider-specific warning and its calculation period.
- Identify the underlying asset and the applicable retail leverage cap.
- Check how margin closeout is calculated across open positions.
- Read financing charges and the provider’s current loss warning.
- Confirm the legal entity and jurisdiction offering the product.
Source: ESMA’s 2018 intervention announcement. This page explains mechanisms, not personalised trading advice.
Key terms, defined
- Day trading
- Opening and closing a position in the same instrument within one trading session, aiming to profit from short-term price movement.
- Spread
- The gap between the buy and sell price. It is an immediate, guaranteed loss at the moment a position opens.
- Leverage
- Borrowed exposure that multiplies both gains and losses. It shortens the time to ruin far more than it raises expected return.
- Slippage
- The difference between the expected fill price and the actual one, largest exactly when volatility makes trading look most attractive.
- Drawdown
- The fall from an account's peak to its trough. A 50% drawdown requires a 100% gain to recover.
- Expected value
- The average outcome of a strategy repeated many times. For retail day trading, it is negative after costs.
Frequently asked questions
Is high leverage ever an advantage for retail traders?
Only for a trader with a verified positive expectancy after costs, which the data suggests is a very small minority. For everyone else it accelerates the loss.
Why are CFDs banned in the US?
US regulators do not permit these over-the-counter leveraged contracts for retail investors, largely on investor-protection grounds.
What loss rate must EU brokers publish?
The percentage of retail investor accounts that lose money trading CFDs with that provider. The warning must use that provider’s calculated percentage; the historical ESMA range was 74–89%, not a required range.
Can day trading be learned with enough practice?
The Brazilian futures study followed traders day by day and found no improvement with experience: persistence increased losses rather than skill. Unlike chess or surgery, markets give noisy, delayed feedback, so practice does not reliably build expertise.
Do courses, signals or prop-firm challenges improve the odds?
There is no published evidence that paid education changes outcomes. Course fees, subscription costs and challenge fees are additional guaranteed costs added on top of an already negative expected value.
What is a realistic annual return for a retail day trader?
For the large majority it is negative after costs and taxes. A diversified index fund returned roughly 7-10% a year on average over long periods, with no screen time and far lower cost.
Read the whole argument
Day Trading Kills traces the leverage industry, its regulation and its outcomes in detail.