What Is Swap in Forex? Overnight Fees Explained Simply

Beginner8 min read
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What Is Swap in Forex?

Swap in forex is a small fee or credit applied to your account for every night you keep a trade open past the daily cut-off. It reflects the difference between the interest rates of the two currencies in the pair, plus your broker’s markup. It is also called the overnight fee, rollover or financing charge.

If you always close your trades before that cut-off, you will never see it. If you hold trades for days or weeks, it becomes a real cost that belongs in your plan next to the spread.

Why Do Forex Swap Fees Exist?

Every forex trade buys one currency and sells another. In effect you are holding the currency you bought and borrowing the one you sold. Money that is held earns interest; money that is borrowed costs interest. Each currency’s rate is set largely by its central bank, and the two are rarely equal.

  • If the currency you bought has the higher interest rate, the difference is in your favour.
  • If the currency you sold has the higher rate, the difference is against you.

Your broker then adds a markup. That makes credits smaller and charges larger, which is why the two sides of a pair never cancel out. It is also why it matters which side of a pair you hold, a point covered in going long vs going short.

Some traders build a whole method around collecting this interest. That is called the carry trade, and it has its own guide: carry trade and interest rates. This page sticks to swap as a cost.

When Is the Overnight Fee Charged?

The forex day ends at 5pm New York time. That moment is called rollover. Any trade open at that instant is charged or credited one night of swap. It does not matter how long you have held it: a trade opened at 4:55pm pays a full night, while a trade opened at 5:05pm and closed at 4:55pm the next day pays nothing.

In Kuala Lumpur and Singapore, rollover falls at 5am or 6am depending on US daylight saving; in Bangkok and Hanoi, at 4am or 5am. Many MetaTrader brokers set their server clock so that rollover is midnight platform time. Spreads are usually at their widest in this hour, as explained in the best time to trade forex.

Positive Swap vs Negative Swap

A positive swap is a credit: the broker pays you for holding the trade overnight. A negative swap is a charge. Each pair has two swap rates, one for long (buy) trades and one for short (sell) trades.

When the interest-rate gap between two currencies is wide, one direction may earn a small credit while the other pays a larger charge. When the gap is narrow, the broker’s markup outweighs it and both directions are negative. Swap rates are not fixed. Brokers update them as interest rates and market conditions change, so a rate you checked last month may be different today.

What Is Triple Swap Wednesday?

On most currency pairs, a trade held through Wednesday’s rollover is charged three nights of swap at once. It is not a penalty. It is how the weekend’s interest gets collected.

The market is closed on Saturday and Sunday, but interest does not stop. A spot forex trade officially settles two business days after it is made, a convention known as T+2. When you hold a trade through Wednesday’s rollover, its settlement date moves from Friday to the next business day, which is Monday. That is a jump of three calendar days, so three nights of swap are booked together.

Over a full week the count is still seven nights: one each on Monday, Tuesday, Thursday and Friday, and three on Wednesday. Holding from Friday to Monday costs only Friday’s single night. Some products use a different day; Friday is common for index and commodity CFDs. Public holidays can add extra nights too. Your platform’s specification shows the day for each symbol.

How to Find the Swap Rate in MT4 and MT5

You do not have to guess. MetaTrader 4 and MetaTrader 5 show the exact figures for every symbol:

  • Open the Market Watch window, the list of symbols and prices.
  • Right-click the pair and choose Specification.
  • Find the lines for swap type, swap long, swap short and the 3-day swap.

Swap type tells you the unit. The most common is points. A point is the smallest price step on the platform: on a five-decimal EUR/USD quote it is 0.00001, one tenth of a pip. Other brokers quote swap in money per lot or as a yearly percentage. Once a trade has been held overnight, the running total appears in the Swap column of your open trades. If the platform is new to you, start with how to use MetaTrader.

Worked Example: What an Overnight Fee Costs

The numbers here are made up to show the sums; your broker’s will differ. Suppose the EUR/USD specification shows swap long −7.5 points and swap short +2.5 points. On one standard lot of EUR/USD (100,000 units) a point is worth about $1, so on 0.10 lots it is worth about $0.10. The pip calculator gives the value for other pairs.

Step chart of swap charges adding up over 30 days on a 0.10-lot EUR/USD long, with bigger steps every Wednesday, flat weekends, and a line showing a one-off $1 spread
Illustration: the guide's made-up rate of −7.5 points on a 0.10-lot long, about −$0.75 a night. Wednesday books three nights at once, weekends add nothing, and after 30 nights the total is −$22.50, far more than a $1 spread paid once.
  • Long 0.10 lots for one night: −7.5 × $0.10 = −$0.75.
  • Long for a full week, seven nights including the triple: 7 × $0.75 = $5.25.
  • Long for 30 nights: 30 × $0.75 = $22.50.
  • Short 0.10 lots for one night: +2.5 × $0.10 = +$0.25, or $1.75 over a week.

Compare that with the spread. A 1-pip spread on 0.10 lots costs about $1, paid once. In this example the swap overtakes the spread after the second night. On a one-month trade it is more than twenty times bigger.

Who Needs to Care About Swap?

  • Scalpers and day traders: If every trade is closed before rollover, you pay no swap at all.
  • Swing traders: Yes. Trades held for days or weeks collect swap every night. Take a trade aiming for 50 pips that is held for ten nights at −0.75 pips a night: 10 × 0.75 = 7.5 pips, or 15% of the target, gone to financing. Our swing trading guide shows how to plan around it.
  • Position traders: For trades held for months, swap is often the largest cost of all, and it should be part of the decision to enter.
  • Gold, index and crypto CFD traders: Financing on these products is often noticeably higher than on major currency pairs. Check before you hold overnight.

How swap compares with spread and rebate for a scalper, a day trader and a swing trader is worked through in total trading cost explained.

Swap matters most on gold, where the long side usually pays; gold spread and swap fees shows the arithmetic.

What Is a Swap-Free (Islamic) Account?

A swap-free account does not charge or pay overnight swap. It was designed for Muslim traders, because many scholars regard swap as a form of interest, and some brokers now offer it more widely.

Swap-free does not always mean free. A broker that gives up swap income may replace it with something else:

  • an administration fee on trades held longer than a set number of nights;
  • wider spreads or higher commission than on the standard account;
  • a limit on how long a trade may stay open, or a list of excluded symbols.

Read the account terms and add up the full cost. Whether such an account meets religious requirements is a question for a qualified scholar, not for a broker’s product label. Our neutral explainer, is forex trading halal, sets out the different views.

How to Reduce Swap Costs

  • Close intraday trades before rollover. If the trade was only ever a day trade, do not let it drift past 5pm New York time. Some free session and time indicators for TradingView, the browser-based charting platform, can mark session times on your chart.
  • Mind Wednesday. A short-term trade opened just before Wednesday’s rollover pays three nights for a few minutes of holding.
  • Check the swap for your direction before you enter, and include it in your target, as in the swing example above.
  • Compare providers. Markups differ widely, so look at swap rates as well as spreads when you compare regulated brokers.
  • Do not let swap drive the trade. Closing a sound trade early to save a few cents, or holding a poor one to collect a credit, costs far more than the swap itself.

Managing swap trims a cost; it does not improve a weak method, and a positive swap offers no protection when price moves against you. Forex and CFDs are leveraged products with a high risk of loss. Only trade with money you can afford to lose.

FAQ

Is swap charged on weekends in forex?

Not on the days themselves, because the market is closed. The weekend’s interest is collected in advance through the triple swap, which most brokers apply at Wednesday’s rollover on currency pairs. A trade opened on Thursday and held until Monday pays Thursday night and Friday night only. Crypto CFDs are different and are often charged every day, weekends included.

Is swap the same as spread or commission?

No. Spread and commission are charged once per trade, when you open and close it. Swap is charged or credited every night the trade stays open, so it grows with time. For a day trader the spread is the main cost. For a trade held for several weeks, swap can easily end up costing more than the spread did.

Can swap fees cause a margin call?

Swap is added to or taken from the running result of each open trade, so it changes your equity a little every night. On a sensibly sized account the effect is tiny. On a heavily leveraged account that holds losing trades for weeks, the accumulated negative swap eats into free margin and brings a margin call closer.

How much is the swap fee per lot?

There is no standard figure. Swap depends on the pair, the direction of your trade, current interest rates and your broker’s markup, and it changes over time. Open the contract specification in your platform to see today’s swap long and swap short values, then multiply by your lot size and by the number of nights you expect to hold.

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