USD/SGD Exchange Rate History
A decade of US Dollar–Singapore Dollar movements, with the events that drove them.
USD/SGD 10-year snapshot
USD/SGD currently sits roughly 9% through its 10-year range — near the lower end, with the rate at decade-low levels.
The last decade in USD/SGD
USD/SGD is unique among major-currency pairs — Singapore manages SGD against a trade-weighted basket of currencies (S$NEER), not against a single peg or a free float. The Monetary Authority of Singapore (MAS) adjusts the slope, midpoint, and width of the band twice a year. Over 2016–2026, USD/SGD traded between 1.20 (early 2018 SGD strength) and 1.44 (October 2022 USD strength), with notably smooth movements compared to free-floating EM Asian peers.
Long-term trend
SGD has gradually strengthened against USD over the long term, reflecting Singapore's persistent current-account surplus, low inflation, and strong sovereign-credit standing. The S$NEER policy has produced one of the smoothest currency-management records among major Asian economies. MAS's twice-yearly policy reviews in April and October produce minor regime adjustments — typically modest slope changes (allowing faster or slower trend appreciation) rather than dramatic re-pegs.
Key events
MAS surprise neutralization
MAS shifted to a neutral 0% appreciation stance for the first time since the 2009 financial crisis. Singapore growth was slowing on China weakness and oil-export pressure. The neutral stance weakened SGD against trade-weighted peers.
USD/SGD rose from 1.33 (March 2016) to 1.43 (December 2016).
MAS tightens for first time in 6 years
MAS slightly steepened the SGD appreciation slope as inflation normalized and growth firmed. The first tightening since 2012 reflected improving fundamentals.
USD/SGD fell from 1.32 (early 2018) to 1.34 by end-2018 (counter-trend USD strength).
COVID pandemic — MAS eases
MAS shifted to a 0% slope and reduced the band midpoint for the first emergency policy action since 2009. SGD weakened with broader regional currencies.
USD/SGD rose from 1.36 to 1.45 in March 2020, then settled to 1.33 by year-end.
USD/SGD peaks at 1.44
The combination of aggressive Fed tightening and global USD strength drove USD/SGD to multi-year highs. MAS tightened policy at every meeting in 2022 (a record) to combat imported inflation.
USD/SGD peaked at 1.44 in October 2022, then declined.
MAS holds steady through volatility
MAS maintained its policy slope at January 2024 meeting despite global FX volatility. The S$NEER framework allowed SGD to absorb shocks without dramatic policy shifts.
USD/SGD traded 1.32-1.36 through 2024.
MAS eases as inflation falls
With Singapore core inflation falling toward 1.5%, MAS reduced the slope of SGD appreciation in April 2025 — the first easing since 2020.
USD/SGD rose from 1.34 (March 2025) to 1.38 (December 2025).
Practical takeaway
For travelers and businesses dealing with SGD, the S$NEER framework produces remarkably smooth currency moves compared to free-floating Asian peers. Timing matters less than for KRW, MYR, or THB — but more than for HKD (which is pegged outright). Watch MAS's April and October policy meetings for the main scheduled volatility windows. SGD is among the most stable Asian currencies — Singapore's sovereign-credit standing and current-account surplus underpin long-term gradual SGD strength against USD.
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Frequently asked questions
How does MAS's S$NEER policy work?
The Monetary Authority of Singapore manages SGD against a trade-weighted basket of currencies (the "S$NEER") rather than setting interest rates directly. MAS chooses three parameters: the slope (annual appreciation rate, typically 0-2%), the midpoint (central value of the basket), and the width (allowed deviation, typically ±2%). MAS adjusts these three parameters twice a year (April and October) — small slope changes can move SGD against major peers without overnight shocks.
Which currencies are in the SGD basket?
MAS does not publish the exact basket composition, but it is believed to include USD, EUR, CNY, MYR, JPY, AUD, and several other major trading-partner currencies. The basket is weighted by Singapore's trade flows. USD is the largest single component but does not dominate — this is why SGD can strengthen against USD even during global USD-rally periods.
Is the Singapore Dollar a safe haven currency?
Not in the traditional sense. SGD doesn't see massive inflows during global risk-off episodes the way JPY or CHF does. However, SGD's policy framework produces unusually low volatility for an Asian currency — investors seeking smooth, slow USD-alternative exposure often choose SGD assets. Singapore Government Securities (SGS) are AAA-rated and serve a niche safe-haven role within Asia.
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