Costs, Spreads & FeesFinancing ChargeHolding Cost
Overnight Financing
The daily cost of carrying a leveraged position, applied to CFDs on indices, shares and commodities as well as forex.
What Overnight Financing means
Overnight financing is the general term for the charge applied to a leveraged position held past the daily cut-off. In forex it takes the form of swap and is driven by the interest rate differential between the two currencies. On a CFD over an index, share or commodity there is only one currency involved, so the charge is instead calculated on the full notional exposure at a benchmark reference rate plus or minus the broker's markup, typically expressed as an annual percentage divided across the year.
The asymmetry matters. On a long CFD the trader is financing an asset they do not own, so the benchmark rate and the markup are added together and the charge is almost always a debit. On a short position the benchmark is credited and the markup subtracted, so the result is a credit only when the reference rate exceeds the markup, and a smaller debit otherwise. Because the calculation uses notional value, a highly leveraged position is financed on the full exposure, not on the margin.
The practical consequence is that financing quietly determines the viable holding period for leveraged positions. A charge of a few basis points a day is immaterial to a day trader and decisive for someone holding for months, where it can exceed the spread many times over. Instruments based on futures may replace daily financing with a periodic contract roll adjustment instead, and share CFDs additionally pass through dividend adjustments.
Worked example
A long index CFD with a USD 50,000 notional financed at a 5 percent benchmark plus a 2.5 percent markup costs roughly USD 10.40 per night, about USD 310 over a month of holding.
Related terms
- SwapThe interest credited or debited for holding a forex position overnight, based on the two currencies' rate differential.
- RolloverThe daily process of moving an open position's settlement date forward, which generates the swap charge or credit.
- CFD (Contract for Difference)A leveraged OTC contract to exchange the difference in an instrument's price between opening and closing, without owning it.
- Interest RateThe price of borrowing money, expressed as a percentage per year, with the central bank's policy rate anchoring the whole structure.
- Total Cost of TradingThe complete cost of a trade or account, combining spread, commission, swap, slippage and non-trading fees.
Frequently asked questions
What does Overnight Financing mean in forex trading?
The daily cost of carrying a leveraged position, applied to CFDs on indices, shares and commodities as well as forex.
How does Overnight Financing work in practice?
The asymmetry matters. On a long CFD the trader is financing an asset they do not own, so the benchmark rate and the markup are added together and the charge is almost always a debit. On a short position the benchmark is credited and the markup subtracted, so the result is a credit only when the reference rate exceeds the markup, and a smaller debit otherwise. Because the calculation uses notional value, a highly leveraged position is financed on the full exposure, not on the margin.
What is an example of Overnight Financing?
A long index CFD with a USD 50,000 notional financed at a 5 percent benchmark plus a 2.5 percent markup costs roughly USD 10.40 per night, about USD 310 over a month of holding.
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