What is Overnight Fee in Forex? Complete Guide for Singapore Traders (2026)

What Exactly is an Overnight Fee?

An overnight fee (swap/rollover) is the interest differential between the two currencies in a forex pair. When you hold a position past 5:00 PM New York time (5:00 AM Singapore time the next day), your broker either credits or debits your account based on the interest rate difference. If you buy a currency with a higher interest rate than the one you sell, you earn a positive swap. If the opposite, you pay a negative swap.

How Overnight Fees Work for Singapore Traders

In Singapore, most MAS-regulated brokers calculate overnight fees using the following formula: Swap = (Trade Size × Swap Rate in Points × Pip Value) / 10. For example, if you hold 1 standard lot of USD/SGD with a swap rate of -2 points and a pip value of 10 SGD, your daily cost is (1 × 2 × 10) / 10 = 2 SGD per night. Triple swap applies on Wednesdays to cover weekend rollover.

Why Overnight Fees Matter for Singapore Traders

Singapore is a sophisticated financial hub with many traders holding positions for days or weeks. Overnight fees can accumulate quickly and erode profits, especially for carry trade strategies. For example, holding a long AUD/USD position (positive swap) can generate passive income, while holding a long USD/JPY position (negative swap) can cost you money daily. Always check your broker's swap rates before entering a trade.

For Singapore traders, overnight fees are particularly relevant due to the city-state's status as a global forex hub. Many local brokers like IG, Saxo, and CMC Markets offer competitive swap rates, but they vary by account type. Using local payment methods like PayNow or bank transfer to fund your account can help you avoid additional conversion fees. MAS regulation ensures that brokers disclose swap rates transparently, so you can compare costs before trading. Additionally, Singapore's time zone (UTC+8) means rollover occurs at 5:00 AM SGT, which is convenient for traders who prefer to close positions before bed. Always factor overnight fees into your risk management plan, especially for long-term trades.

1. Choose a MAS-Regulated Broker
   Select a broker licensed by MAS to ensure transparent swap rates and client fund protection. Popular options include IG, Saxo, and CMC Markets.
2. Check Swap Rates Before Trading
   Log into your trading platform and look for the 'Swap' or 'Rollover' column. Note that swap rates can change daily based on central bank interest rates.
3. Calculate Your Overnight Cost in SGD
   Use the formula: (Trade Size × Swap Rate × Pip Value) / 10. For example, 1 lot USD/SGD with -2 points swap costs 2 SGD per night.
4. Plan Your Exit Strategy
   Decide whether to close positions before rollover (5:00 AM SGT) or hold long-term. Use a swap calculator provided by your broker to estimate costs.

Overnight fees are often confused with spreads and commissions. While spreads are the cost of entering a trade, and commissions are fixed fees per trade, overnight fees are ongoing costs for holding positions. For Singapore traders, comparing swap rates across brokers is crucial because even a 0.5 point difference can cost hundreds of SGD annually. For example, IG charges -3.0 points for EUR/USD while Saxo charges -2.2 points. Over a year of holding, Saxo saves you 292 SGD. Use our broker comparison tool to find the best swap rates.

Overnight fees work by applying the interest rate differential between two currencies to your open position. For example, if you buy AUD/USD, you are effectively borrowing USD and lending AUD. If the AUD interest rate (4.10%) is higher than the USD rate (5.50%), you pay the difference. For Singapore traders, this is calculated in SGD based on the pip value of your trade. Most MAS-regulated brokers update swap rates daily at 5:00 AM SGT. Triple swap on Wednesdays means holding through Wednesday costs three times the daily rate.

Example 1: Long EUR/USD
You buy 1 standard lot (100,000 units) of EUR/USD at 1.1000. The swap rate is -2.5 points. Pip value in SGD = 10 SGD (since 1 pip = $10 for 1 lot USD). Daily cost = 1 × 2.5 × 10 = 25 SGD per night. If held for 10 days, total cost = 250 SGD.

Example 2: Short USD/JPY
You sell 1 mini lot (10,000 units) of USD/JPY at 110.00. The swap rate is +0.8 points. Pip value in SGD = 1 SGD (mini lot). Daily credit = 1 × 0.8 × 1 = 0.80 SGD per night. If held for 5 days, you earn 4 SGD.

The Monetary Authority of Singapore (MAS) regulates all forex brokers operating in Singapore under the Securities and Futures Act. MAS requires brokers to hold a Capital Markets Services Licence and adhere to strict disclosure standards, including transparent swap rate presentation. This protects Singapore traders from hidden fees and ensures fair treatment. Additionally, MAS mandates client fund segregation, so your money is safe even if the broker goes bankrupt. Always check a broker's licence status on the MAS website before depositing funds. For complaints, you can contact the Financial Industry Disputes Resolution Centre (FIDReC).

• Use a Swap Calculator: Most Singapore brokers provide free swap calculators on their websites. Use them to estimate costs before entering a trade.
• Avoid Holding Through Wednesday: Triple swap on Wednesdays can triple your overnight cost. Close positions before Wednesday rollover to save money.
• Consider Islamic Accounts: If you cannot pay or receive interest due to religious reasons, some MAS-regulated brokers offer swap-free Islamic accounts.
• Monitor Central Bank Rates: Overnight fees are based on interest rate differentials. Stay updated on MAS and other central bank decisions to anticipate swap changes.
• Use Limit Orders: Set take-profit and stop-loss orders to automatically close positions before rollover, avoiding unexpected overnight fees.

Understanding overnight fees is essential for any Singapore trader looking to hold forex positions beyond a single day. By choosing a MAS-regulated broker, calculating costs in SGD, and planning your exit strategy, you can minimise these fees and protect your profits. Remember to use local payment methods like PayNow for efficient funding, and always check swap rates before entering a trade. For more guidance, explore our broker comparison tool to find the best swap rates for your trading style. Start trading smarter today.