CFDs

CFDs, or contracts for difference, allow you to trade movements in financial markets without owning the underlying asset. A CFD can follow a share, stock market index, currency pair or commodity, depending on the broker’s product range. You can open a position that benefits from rising prices or one that benefits from falling prices. This flexibility makes CFDs useful for some trading strategies, but their margin requirements and potential for rapid losses mean they should not be confused with low-risk investments. A small opening deposit can support a much larger financial exposure.

The main questions are how the contract calculates profit and loss, how much exposure you are taking and what it costs to maintain the position. You also need to understand the circumstances in which your broker can close a trade. This guide explains those mechanics, with practical examples and points to consider when comparing providers. For further background, you can also read this introduction to CFDs. Before placing an order, make sure you understand the terms of the specific contract rather than assuming all CFD markets work identically.

Contract for Difference

A contract for difference is a derivative agreement under which the financial result depends on the change between the opening and closing prices, multiplied by the position size. Retail CFDs are commonly offered through an agreement with a broker acting as the contractual counterparty. You do not temporarily take possession of someone else’s shares or receive a percentage of an asset owner’s profits. Instead, the contract creates an exposure to a price movement. The amount credited or debited to your account follows the contract’s terms, together with applicable charges and adjustments.

For a share CFD, the distinction from ownership is straightforward. Buying ordinary shares gives you an ownership interest in the company, with rights attached to the shares. Buying a CFD linked to that company gives you contractual exposure to its price without making you a shareholder. You do not obtain voting rights through the CFD. Dividend events may lead to account adjustments rather than shareholder dividend payments. The broker’s terms determine how corporate actions are handled, including matters such as share splits, takeovers and trading suspensions.

Not every CFD has a fixed expiry date. Many cash CFDs remain open until you close them or the broker closes them under the agreement, provided the relevant conditions continue to be met. Other contracts are based on futures and have an expiry or scheduled rollover. This affects both the pricing and the cost of holding the position. Check the product details before trading: a cash index CFD and a futures-based CFD on the same index can have different quoted prices and holding costs without either quotation necessarily being incorrect.

Going Long and Going Short

Going long means opening a buy position because you expect the quoted price to rise. Going short means opening a sell position because you expect it to fall. Suppose you sell a share CFD at $25 and later close it at $23. If the position represents 100 shares, the gross profit is $200 before costs. If you instead close at $27, the gross loss is $200. Short exposure can be useful, but it introduces its own risks and may involve borrowing-related charges or restrictions on which shares are available.

The Leverage of CFDs

CFDs are usually traded on margin, meaning the amount required to open a position is a proportion of its total exposure. If a contract requires 20% initial margin, $500 can support a position with a nominal value of $2,500. This is equivalent to 5:1 leverage relative to that margin. Profit and loss are calculated from the full exposure, however, rather than only the margin amount. Leverage therefore increases the percentage impact on the money committed as security. It magnifies losses just as readily as gains and does not improve the accuracy of a trading decision.

Margin requirements depend on the instrument, the provider and the rules applying to the account. For UK retail customers, the FCA’s CFD rules require at least 20% initial margin for individual shares, equivalent to maximum leverage of 5:1. Other categories have different requirements, including approximately 30:1 for major currency pairs and 20:1 for certain major indices. Brokers can require more margin than these minimums. An overseas advertisement promising much higher leverage does not describe the protections or terms of a standard UK retail account.

A CFD Leverage Example

Assume a share trades at $25 and you want exposure equivalent to 100 shares. Buying those shares outright requires $2,500 before dealing costs. A CFD providing the same exposure with a 20% margin requirement needs $500 in initial margin. If the executable closing price rises to $30, the movement is $5 per share, producing a $500 gross profit in either case. The CFD does not generate a larger dollar profit from identical exposure; it produces a larger percentage return relative to the smaller initial margin.

The table assumes the positions remain open until the stated closing prices and excludes costs and other adjustments. A CFD account holding only the minimum $500 could be subject to margin close-out before a fall to $20. Reaching that closing price would therefore require sufficient additional account equity to support the position, or different circumstances such as a price gap. This distinction matters because margin trading is affected by the path prices take, not just the opening price and the level at which you hope to close.

Your opening margin is security for a position. It is not a guaranteed maximum loss on that trade.

Margin Close-Out and Negative Balance Protection

For covered UK retail accounts, the FCA requires margin close-out when equity falls below the specified 50% margin threshold, with positions closed as soon as market conditions allow. Negative balance protection separately limits liability to funds in the relevant CFD account. Neither protection prevents the account balance from being lost. If additional money is available in the account, an individual position can lose more than its opening margin. These retail protections should not be assumed to apply in the same way to professional accounts or accounts with overseas providers.

The FCA’s guidance for CFD customers also highlights the risks of moving to professional status or an associated overseas firm. Higher leverage can be accompanied by weaker protections or different liability terms. Before accepting a change, establish which legal company will provide the account and what happens if losses exceed the available balance. Keeping spare funds in an account may help satisfy margin requirements, but it does not make an oversized position affordable or turn a losing strategy into a sound one.

What Does CFD Trading Cost?

The spread is the difference between the broker’s quoted buying and selling prices. If you buy and immediately sell while those prices remain unchanged, the spread creates a loss. Some contracts also carry a separate commission, especially share CFDs, while others incorporate more of the trading charge into the spread. Minimum commissions can be important for small positions. Compare the total cost of opening and closing a typical trade, rather than choosing a broker because one advertised spread appears low. Costs can vary between instruments and market conditions.

Holding a cash CFD beyond the provider’s daily funding cut-off normally creates a financing adjustment. Its calculation depends on the product, direction and broker’s terms; some adjustments can be credits rather than charges. Futures-based CFDs often incorporate financing into their pricing instead of applying the same separate daily funding charge. A provider’s explanation of overnight funding illustrates why contract type matters. Neither arrangement is automatically cheaper for every holding period, so compare costs over the length of time you expect to keep the trade open.

Other costs can include currency conversion, market data subscriptions and charges associated with short share positions. Corporate actions may also produce adjustments. For example, a long share CFD commonly receives a dividend-related credit while a short position receives a corresponding debit, subject to the contract’s terms. This is not free additional profit: the underlying share price normally adjusts when it goes ex-dividend. Before holding through an event, check how the provider handles it and whether the position’s currency differs from your account currency.

Why Traders Use CFDs

CFDs can provide a convenient way to take long or short exposure across several markets from one trading account. A trader might use them for a short-term view on an index, a currency movement or a particular company. Margin reduces the amount initially committed to a given exposure, which can help with capital allocation when the remaining funds are managed carefully. These are practical features rather than evidence of superior returns. The same flexibility can encourage excessive trading or positions that are too large for the account.

Some investors use CFDs as a temporary hedge. For example, someone holding a diversified share portfolio might open a short index CFD to offset part of a possible market decline. The hedge will not necessarily track the portfolio accurately, because the holdings and index can behave differently. It also adds costs and requires margin; a rising market can create losses on the hedge even while the share portfolio gains value. Compare that complexity with simpler alternatives, such as reducing the underlying holding, before assuming a second position provides effective protection.

The Main Risks of CFD Trading

The immediate risk is an adverse price movement against a leveraged position. There is also execution risk: during volatility or thin trading, an order may fill at a different price from the one expected. A normal stop-loss order helps manage exposure but does not guarantee its trigger price. A stop-limit order can control the acceptable price while leaving the position open if no suitable execution is available. Guaranteed stops, where offered, have their own conditions and costs. Learn the behaviour of the exact order type before relying on it.

CFDs also involve counterparty and operational risks. You rely on the provider’s contractual obligations, systems and arrangements for handling money. A platform outage can prevent you from making changes, while problems at the firm can affect access to funds. Regulatory requirements reduce some risks but do not make a broker failure impossible. Keep records, understand the procedure for contacting the dealing desk during an outage and check the legal entity holding your account. The name of the trading software does not establish who owes you money or which protections apply.

Behaviour can be just as damaging as a technical problem. Increasing position size after losses, moving stops repeatedly or opening several highly correlated trades can create more exposure than intended. Three positions that all depend on a stronger US dollar are not necessarily three independent risks. Set limits for the loss you plan to accept on an individual trade and across the account, while allowing for the possibility of worse execution. A low minimum deposit should never be interpreted as evidence that CFD trading is low risk.

How to Get Started With CFD Trading

Begin with one market and learn its contract specifications. Establish what one unit or contract represents, how much a one-point move changes profit and loss, and when the instrument can be traded. Different markets use different conventions, so the number entered into an order ticket can represent very different exposure. Practise opening, modifying and closing positions in a demo account before using live money. Demo results can help identify mistakes in your process, but they do not reproduce every live execution condition or the emotional pressure of risking savings.

Build the trade around an invalidation level and a manageable position size. Suppose a share CFD has a planned entry at $25 and a stop at $24.50. The planned price risk is $0.50 per share equivalent. A position representing 100 shares therefore has $50 of planned price risk before costs and slippage. That figure is different from both the full exposure and the required margin. Decide whether the potential reward justifies the risk and costs, then record what happened. Review a series of trades rather than increasing size after a few successful outcomes.

Are CFDs Suitable for Long-Term Investing?

Some CFD contracts can be held beyond a single trading day, but long holding periods require careful cost analysis. Financing charges can accumulate, margin requirements can change and adverse movements can force a position to close before a longer-term view proves correct. For someone seeking ownership of a business or a straightforward long-term portfolio, fully paid shares or suitable funds may better match the objective. Compare the total cost and risk of obtaining the same exposure, rather than treating a smaller initial cash requirement as a saving in itself.

Tax treatment is another consideration. In the UK, HMRC generally treats retail CFD outcomes under the capital gains regime unless profits are taxable as trading income. CFDs should not be assumed to share the usual tax treatment of an individual’s financial spread bets. The rules depend on circumstances and jurisdiction, and reporting obligations can apply even when trading takes place through an overseas platform. Retain statements showing closed trades, charges and adjustments so that the relevant figures can be established accurately.

Best CFD Brokers

The most suitable CFD broker depends on the instruments you trade, your account size and how long you hold positions. Start by checking the provider’s authorisation and the legal entity named in the agreement. For a UK account, use the FCA’s official checking guidance rather than relying only on a website badge. Then compare total trading costs, contract sizes, execution policies and platform reliability. A broker that suits frequent index trading may be less attractive for small share positions or trades held for several weeks.

Also review withdrawal terms, customer support availability and the treatment of client money. Understand the applicable complaint and compensation arrangements without assuming they cover market losses. Test the platform’s order controls and check how it displays margin usage and account equity. The broker comparison below can provide a starting point, but confirm current conditions directly with the relevant provider. Choose an account whose rules you understand and whose minimum trade sizes allow you to control risk, rather than selecting the highest available leverage.

[brokers type=”CFD”]

This article was last updated on: September 28, 2026