Why an overnight position has a financing cost
Trading XAUUSD on margin is not buying metal. You are taking on price exposure that is funded rather than paid for. The position has a full notional value, your deposit covers only a fraction of it, and the rest is effectively borrowed for as long as the position stays open. That borrowing has a price, and the price is settled once a day at the rollover point.
In the underlying market the same thing happens as a tom-next transaction. A spot gold trade would otherwise settle in a couple of business days, so to keep an open position alive past that point it is rolled forward one day at a time. The roll is priced off the gold forward curve against dollar interest rates. Your provider does the roll in the wholesale market, applies its own adjustment, and passes the result to your account as swap. Nothing mysterious is happening. You are paying, or occasionally receiving, the cost of postponing settlement by one more day.
The two legs that set the figure
The swap on a gold position comes out of a comparison, not a fee schedule. One leg is the dollar interest you forgo or owe on the cash side. The other leg is the return on lending the metal itself, which in gold markets is the lease or forward rate. The difference between them, plus whatever the provider adds, is what lands on your statement.
Both legs move. Dollar rates move with policy and with the money market. The gold forward rate moves with the supply of metal available for lending and with demand for financing it. When forwards trade above spot the market is in contango, which is the normal state and generally means the long side pays to be carried. When metal is scarce to borrow the curve can flatten or invert, and the arithmetic changes. This is why a swap figure quoted in an article, including this one, is worthless as a number. The structure is stable, the level is not.
Why both sides can be negative
A common assumption is that if the long side pays, the short side must receive. In a pure interest differential that would hold. In a retail account it often does not, because the provider applies an adjustment to both sides. Widen that adjustment enough and the short rate turns negative too, so holding either direction overnight costs money.
Check your own instrument specification rather than assuming symmetry. The two rates are published separately for a reason. Three further details matter. The sign can flip when rates move, so a position that paid you last quarter can cost you this quarter. The charge is proportional to position size, so it scales with your lot rather than with your risk. And it applies to the notional value of the position, which on gold is large relative to the margin you posted, so a figure that looks tiny expressed as a rate can be meaningful as a cash amount. None of that makes swap a reason to trade or to avoid trading. It makes it a line item you need to know.
The weekend lands on one weekday
Settlement does not happen at weekends, so the financing for the days the market is shut has to be charged on a business day. In practice one weekday carries a triple charge instead of a single one. Which weekday that is depends on the settlement convention your provider applies to gold, and it is not the same everywhere, so the only reliable source is your own provider specification.
Public holidays do the same thing on a smaller scale. If a settlement centre is closed, the extra day gets added to a nearby charge. The practical consequence is simple. If you routinely open swing positions on a particular day of the week, you may be systematically picking up the heavy charge or systematically avoiding it without ever having decided to. Look at a month of statements and the pattern is obvious. For a trader who holds positions for several days at a time this is not a rounding error, it is a repeating cost that belongs in the plan.
Swap free is a different bill, not a missing one
Accounts advertised as swap free remove the nightly interest adjustment. They do not remove the cost of financing a position, because that cost exists in the wholesale market whatever your account is called. It reappears somewhere else. The usual forms are a flat administration charge per position per night after a grace period, a wider spread on the instrument, a higher commission, or a limit on how long a position may be held before charges begin.
None of that is hidden if you read the terms, and for traders who need a swap free structure for religious reasons the arrangement is legitimate. The mistake is treating it as free carry and then holding positions far longer than you otherwise would. Model the replacement charge exactly as you would have modelled swap, and write it into the cost line of the strategy. If an approach only works because carry was assumed to be zero, it does not work.
What it does to each trading style
Rollover cost is indifferent to your opinion and proportional to time. That makes it a style tax rather than a trade tax.
- Intraday: flat before rollover, nothing charged, carry is irrelevant to you.
- Multi day swing: charged every night, including the heavy one. Across a holding period of a week or two the total can be a real share of a modest target.
- Position holding over months: carry becomes one of the largest costs you pay, often larger than the spread you worried about on entry.
- Slow mean reversion models: the most exposed of all, because the expected move is small and the holding time is long.
If you trade longer horizons, compare the carry over your expected holding time against the distance you are aiming for, then look again at whether holding across nights is really the cheapest way to express the idea. Sometimes it is. Sometimes a shorter, better timed version of the same read is cheaper, which is one of the quieter arguments for taking fewer and better trades.
Futures move the same cost into the price
Futures positions are not charged a nightly swap. That does not make carrying a futures position free. The financing sits inside the price of the contract. A deferred delivery month trades at a different level from the nearby month, and the gap between them reflects interest, storage and insurance over that period. When you roll from the front month into the next one, you pay or receive that gap in a single transaction instead of in nightly instalments.
So the cost does not disappear, it changes shape. Nightly and visible on a margin account, embedded and periodic on futures. Which suits you depends on holding period, position size, tax treatment in your jurisdiction and how much granularity you need in sizing. That comparison is worth doing properly rather than by habit, and the structural differences between the two wrappers are set out in more detail in the spot versus futures breakdown.
Measure your own, then stop guessing
The only swap figure worth using is the one that appears on your own account. Find it in the statement or position history rather than in a marketing table, note it per position alongside your entry and exit, and total it monthly. After a few months you will know what carry actually costs your style, and you will have the beginnings of a proper cost line to deduct from gross results. A journal that records cost as well as outcome is what makes this possible.
One honest caveat. A historical swap average is not a forecast. Rates change, forward curves change, provider adjustments change, and an average taken from a calm period will understate what a different rate environment charges you. Treat the figure as a current measurement that needs refreshing rather than as a constant. When you are reviewing whether a longer hold was worth it, pull the carry total alongside the chart on the live gold chart and judge the trade on its net result.
FAQ
Is swap charged on a position I open and close the same day?
No. Swap applies only to positions still open at the daily rollover point. If you close before it, no financing adjustment is applied. That is why intraday traders can ignore carry entirely, while anyone holding across the rollover needs to treat it as a standing cost of the position.
Why does my provider charge a negative swap on both long and short gold?
Because the published rates include the provider adjustment as well as the underlying interest differential. If that adjustment is wider than the differential, both sides come out negative. It is not an error. Check the instrument specification, which lists the long and short figures separately rather than as a mirror pair.
Which day carries the triple charge on gold?
It depends on the settlement convention your provider applies to gold, and it is not uniform across the industry. Rather than trusting a general answer, read your own instrument specification, or look at a month of statements and find the day where the adjustment is roughly three times its usual size.
Does a swap free account mean carrying a position costs nothing?
No. The wholesale financing still exists, so the charge usually returns as an administration fee per night, a wider spread, a higher commission, or a limit on holding period. Read the terms and put the replacement charge into your cost assumptions exactly as you would have done with swap.
Can positive swap be a strategy on its own?
Treating carry as the main source of return means holding a leveraged gold position for the rate rather than for the move, which leaves you exposed to a price swing far larger than the carry. Rates and provider adjustments can also change against you. This is education, not a recommendation of any such approach.
ⓘ See these ideas on real price: open the free XAUUSD live chart.