Contracts for difference sit behind most of the trading apps advertised on British television. Very few of the people using them could explain what they actually bought.
Here is a small test worth trying on anyone with a trading app on their phone: ask them whether they own the shares they trade. A surprising number believe they do.
In many cases what they hold is a contract for difference – a CFD – which is an agreement with the platform to exchange the difference between a price now and a price later.
No share changes hands. The platform is not a shop selling you an asset; it is the counterparty to a bet about a price. That structure has real consequences.
CFDs are leveraged, meaning a small deposit controls a much larger position, which multiplies gains and losses alike, and is the main reason the FCA requires every CFD provider to display the percentage of its retail customers who lose money.
Read those disclosures across the industry, and the figure sits comfortably above half, year after year. It is printed at the bottom of the adverts, in the manner of all print nobody reads.
Why the Product Exists at All?
None of this makes CFDs a scam. They are a legitimate instrument with genuine uses, hedging an existing portfolio, taking a short position without borrowing stock, accessing markets that are otherwise awkward to reach.
Professionals use them deliberately and with tight risk controls. The difficulty is that the same product is marketed to first-time investors as if it were a simple way to buy shares, and the gap between what it is and what it appears to be is where the losses live.
The overnight financing charge is the detail that catches most people. CFD positions held open past the end of the day accrue a daily interest-like cost, which makes them expensive to hold for weeks – a fact that quietly converts patient investors into frequent traders, to the platform’s benefit rather than theirs.
The Five-minute Check Before Using One
First, establish whether you are trading CFDs at all, it is in the account terms, and ‘trade shares from 0 commission’ adverts frequently mean CFDs. Second, understand the leverage on your account and what a margin call is.
Third, compare providers on evidence rather than advertising, independent research into CFD trading platforms in the UK, compiled by The Investors Centre from live funded accounts rather than published fee schedules, documents the differences in spreads, financing costs and platform behaviour that the providers’ own materials gloss over.
And the golden rule is unchanged from every other corner of finance, if you cannot explain what you bought to someone else in two sentences, you have not bought it – it has bought you.
Who Should Actually Be Using Them?
There is a fair test for whether a CFD belongs in your financial life, you can state, before opening the position, why the trade needs leverage, what the overnight cost will be if it runs a fortnight, and at exactly what price you are wrong.
Experienced traders can answer all three without pausing. If any of the three draws a blank, the same market view can almost always be expressed through an ordinary shareholding or a fund, more slowly, more cheaply, and without the possibility of losing more than was staked.
It is also worth knowing what protection exists. UK retail CFD accounts come with negative balance protection, you cannot lose more than the account holds, and leverage caps that professionals are not subject to.
Those rules exist because the pre-2018 record was grim enough to force them. They make the product safer at the edges, they do nothing about the ordinary arithmetic of leveraged losses in the middle, which remains the user’s problem.
