A swap in forex trading is a fee or interest adjustment applied when a position remains open overnight. Each currency pair involves two interest rates – one for the currency you’re buying and one for the currency you’re selling – and these rates form the basis for calculating the swap cost. Traders who hold a position past a specified rollover time either receive or pay an amount that reflects the difference between these two interest rates.
Traders describe a forex swap as a “rollover charge,” since it’s charged (or credited) when trades extend beyond the broker’s cutoff. This practice ensures that you account for the daily interest involved in borrowing or lending the currencies in your open position. Many brokers handle the calculation automatically, so you might see a small credit or debit on your account at the end of the trading day, depending on the positions you hold. Let’s go over everything you need to know about swaps in forex trading.

Key Facts about Swaps in Forex Trading
- A forex swap is an overnight fee or credit reflecting the interest rate difference between the two currencies in a trading pair
- Traders either pay or receive a swap based on whether the interest rate of the currency they hold is higher or lower than the one they borrow
- Swaps include single-currency interest rate swaps, cross-currency swaps, and FX swaps
- Swap rates depend on central bank policies, market volatility, liquidity conditions, broker markups, and the settlement calendar
- Traders can avoid swap fees by closing positions before the broker’s rollover time or using swap-free accounts
Types of Currency Swaps and Definition
Currency swaps come in several forms, each serving a specific purpose for different market traders. Here is a short list of common swap types, along with an explanation of how they work:
- Single-Currency Interest Rate Swap: This swap involves exchanging fixed interest payments for floating interest payments (or vice versa) on a loan that is all in one currency. Traders or institutions often use it to convert a fixed-rate obligation into a floating-rate one – or the other way around – depending on which scenario aligns better with their views on future interest rate movements.
- Cross-Currency Swap: In a cross-currency swap, two parties exchange both principal and interest in different currencies. For example, you might borrow in euros while someone else borrows in U.S. dollars, and you swap both the principal amounts and the interest payments over a set period. This structure allows each party to get better interest rates or hedge currency risk, since each side obtains funding in the currency they actually need.
- FX Swap (Foreign Exchange Swap): An FX swap combines a spot transaction (immediate exchange of two currencies) with a reverse forward transaction (agreeing to swap them back at a later date). This setup helps manage short-term funding or currency exposure. A trader might swap euros for dollars today, then reverse the process next week, locking in known exchange rates while bridging a temporary cash gap.
- Forward-Forward Swap: This swap sets two forward agreements in place without an immediate spot exchange. Both the initial “borrow” and the eventual “return” of currencies happen at future dates, which can help parties lock in exchange rates for an upcoming period. It’s often used to manage expected cash flows when you know you’ll need a certain currency down the line.
- Basis Swap (Cross-Currency Basis Swap): In a basis swap, each party exchanges floating-rate payments based on different reference rates, sometimes in separate currencies. This structure can help organizations align their exposure to the specific reference rates they expect to be more favorable. Banks use basis swaps to manage mismatches between the rates they pay on loans and the rates they receive from their investments.
How Do Swaps Work in Detail?
Swaps reflect the daily interest rate cost of borrowing one currency and lending another. If you go long on USD/JPY, you’re effectively borrowing Japanese yen to buy U.S. dollars. Should the U.S. dollar’s interest rate exceed Japan’s, you pay a fee each night you remain in the trade; if Japan’s rate is higher and you’re holding USD, you could receive a small credit.
Suppose you buy USD/JPY at your broker’s cutoff time, and the current Fed rate is higher than the Bank of Japan’s rate. By holding this position into the next day, you’re responsible for paying the difference tied to that interest rate gap.
Each subsequent day follows the same routine, which can add up if you keep the position open over many nights.
What Are Swap Fees in Forex Trading?
Swap fees are the costs or credits applied to your account when a forex position stays open beyond the broker’s daily cutoff. These fees reflect the interest rate difference between the two currencies in the pair you’re trading. The amount may be a debit or a credit, depending on which currency has the higher rate.

Some traders aim to benefit from positive swaps by choosing pairs with favorable interest rate differentials. Others prefer trading strategies that close positions before the cutoff to avoid swap fees altogether. Keeping an eye on swap rates in your chosen pairs can make a difference in your overall profitability, especially if you hold trades for several days.
Can a Swap Fee Be Positive in Forex Trading and Why?
Yes, swap fees can indeed be positive if you hold the currency that offers a higher interest rate relative to the one you’re borrowing. For example, assume you go long on a currency pair where the base currency has a higher rate than the quoted currency. Your broker may credit your account overnight since you’re effectively earning interest on the position.
A real-life scenario might involve buying AUD/USD when Australia’s interest rate is higher than that of the United States. Every night you keep that long position, you collect a small amount, known as a “positive rollover” or “positive swap.” Though it’s rarely a large sum, it can add up over time if you maintain a steady strategy and the rate differential remains in your favor.
When Are Swap Fees Charged on a Forex Broker?
Most brokers have a designated cutoff time, often called the “rollover time”, when open positions roll into the next trading day. Swap fees or credits get applied around this specific daily point. If you open and close a trade within the same day, you’ll avoid any swap charges.

Certain Forex brokers may observe a triple swap charge on Wednesdays or Thursdays to account for weekends due to how banks settle interest accruals. This can be surprising if you’re not aware of it, so double-check the broker’s policy to plan your trades accordingly and avoid unexpected charges or large debit entries.
Which Factors Influence the Swap Rates of My Forex Broker?
Swap rates can vary from day to day and broker to broker. The following factors are key in affecting what you ultimately pay or receive.
Market Volatility
Periods of high volatility often make overnight funding more expensive. Liquidity providers may demand higher returns to account for risk when prices are fluctuating rapidly. Your broker might pass these costs to you through an increased swap fee, especially if liquidity dries up. Keeping an eye on global events and economic data can help you predict volatility spikes that might push rollover fees higher.
Liquidity Conditions
When the market is liquid, interbank borrowing can be cheaper, leading to lower swap fees. If liquidity is tight, the cost of borrowing a particular currency goes up. This change happens when banks face higher demand for one currency or become cautious with lending during uncertain times. Brokers adjust their overnight rates to reflect these conditions, so Forex fees might increase when liquidity is scarce.
Central Bank Interest Rates
Central banks manage inflation and growth by raising or lowering interest rates. When one bank sets a higher rate than another, holding that currency can lead to a larger charge or credit each night. Changes in these rates can happen suddenly, especially if a central bank spots inflationary pressures or economic downturns. Traders usually watch interest-related announcements to anticipate how swap rates might change in the near future.

Broker Markups
Some brokers stick closely to the raw interbank rate difference, while others add a markup to cover administrative or risk-related expenses. Markups vary, so comparing different broker fee schedules can be worthwhile. If you rely on a strategy that keeps trades open for days or weeks, even a tiny markup can influence your overall profitability.
Checking in advance helps you decide if a broker’s added charges are acceptable for your trading goals.
Settlement Calendar
Forex markets roll weekend days into a specific weekday charge, often causing what’s known as a triple swap. This setup accounts for Saturday and Sunday interest accruals at once. You might see a higher fee or credit midweek, depending on your broker’s specific calendar. Planning trades around these extra charges or credits can sometimes save money or earn a little extra if the swap is positive.
Best Forex Brokers With Low Swap Fees
At WR Trading, we only use and recommend the best forex brokers to our readers. We’ve done our due diligence checking regulations, fee structures, and trading conditions, so you won’t have to spend the time yourself. As a result, we believe FP Markets and Vantage Markets are the top choices for low swap fees. Let’s discuss in more detail what each broker offers:
FP Markets

FP Markets is well-known among traders for its competitive pricing and advanced trading tools. Swap fees tend to be lower than average, which is helpful if you keep positions open overnight. This aligns perfectly for cost-minded traders because they often want to limit these charges as much as possible. Platform-wise, FP Markets also offers tight spreads and reliable customer service, ensuring you can focus on your strategies without hidden fees draining your account.
Many consider FP Markets a balanced choice for swing or longer-term positions. The broker publishes swap rates on its website and updates them regularly, giving you a clear snapshot of costs before you take a trade. Benefits include a broad range of forex pairs, quick execution, and multiple account types suitable for diverse trading styles. Frequent updates on market conditions, combined with relatively low swap fees, make FP Markets one of our top choices at WR Trading.
Vantage Markets

Vantage is another broker we recommend at WR Trading that tends to keep swap fees within a competitive range. It features an interface that displays daily swap rates in an accessible format, allowing for informed decision-making. Many traders find the broker’s layout easy to navigate, which comes in handy when timing entries and exits around rollover.
Available account types let you tailor spreads and fees to suit your trading style. This can be beneficial for traders who combine short-term tactics with occasional longer-term holds. Customer service is responsive, so any questions on fee structures can be addressed with minimal hassle. We like Vantage Markets because it’s an all-in-one platform with an academy for learning, promotions, and advanced trading tools with software.
Conclusion
To summarize, swaps in Forex Trading represent the daily interest rate gap between two currencies and become important if you plan on holding trades overnight. Knowing how they work and staying alert to factors like central bank policies or broker markups can help keep your costs in check. Whether you avoid swaps by trading short-term or look to capitalize on positive rollovers, understanding these fees is a valuable part of a well-rounded forex strategy.
Frequently Asked Questions on Swaps in Forex Trading
What Is the Main Reason Traders Pay or Receive Swaps?
They pay or receive swaps because each currency in a pair has its own interest rate. Holding one currency while borrowing the other overnight triggers an interest payment or credit. This happens automatically around the broker’s rollover time.
Do All Brokers Charge the Same Overnight Fees?
Different brokers may use different reference rates or add markups. Some even absorb part of the cost to remain competitive. Checking the fee schedule helps you compare options.
Why Do Triple Swaps Sometimes Happen Midweek?
Forex markets account for weekend days on a specific weekday. This practice groups multiple days’ worth of interest into one rollover. You might see bigger charges on Wednesdays or Thursdays.
Does Paying a Higher Swap Mean the Currency Is More Valuable?
No, a higher swap means that the currency’s interest rate is higher. It doesn’t guarantee it’s “more valuable” overall. Market direction and global factors still influence the pair’s actual price.
Is It Possible to Avoid Swaps Without Day Trading?
Swap-free (Islamic) accounts let some traders skip overnight interest, but they might have other conditions. Closing trades before the daily cutoff also avoids rollovers. Each approach comes with its own trade-offs.