Peg mechanism
The monetary authority defines how the domestic currency relates to an anchor, parity or permitted trading range.
Currency knowledge centre
Fixed Exchange Rate Currencies
A fixed or linked exchange-rate arrangement connects a currency to an anchor currency, a basket or an operating band. AED, SAR, BHD and QAR maintain official links to the US dollar, while HKD operates through Hong Kong's Linked Exchange Rate System. These frameworks differ in legal basis and operating mechanics, so the individual currency profile remains the authoritative starting point.
Reviewed
Topic definition
What are fixed exchange-rate currencies?
A fixed or linked exchange-rate currency operates under an official framework that connects its value to an anchor currency, basket or defined band. The mechanism can involve convertibility commitments, reserve management, market operations or a currency-board structure. The currencies in this hub do not all use the same model: Gulf pegs and Hong Kong's Linked Exchange Rate System have different operating rules. A fixed framework also does not mean that every bank, card or cash transaction is completed at one identical customer rate.
Key characteristics
How to understand fixed exchange-rate currencies
Exchange arrangement
Currency boards, conventional pegs and other linked systems use different legal and operational structures.
Monetary policy impact
Maintaining the link influences liquidity management, reserves and the transmission of conditions from the anchor currency.
AED
United Arab Emirates Dirham
- Region
- Middle East
SAR
Saudi Riyal
- Region
- Middle East
HKD
Hong Kong Dollar
- Region
- Asia Pacific
BHD
Bahraini Dinar
- Region
- Middle East
QAR
Qatari Riyal
- Region
- Middle East
Currency comparison
Compare fixed exchange-rate currencies
Economic role
Why exchange-rate links matter
A fixed or linked arrangement can support predictable accounting and settlement relationships with an anchor currency. Maintaining that relationship requires an institutional framework, reserve capacity and operational rules set by the monetary authority. The policy trade-offs differ across systems: Hong Kong uses a currency-board framework and convertibility zone, while several Gulf currencies maintain conventional dollar links. Users should therefore read the official arrangement alongside the dated reference rate rather than treating every fixed-rate currency as mechanically identical.
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Middle East CurrenciesReview currencies used by major Gulf economies and their monetary links to international trade and settlement.Reserve CurrenciesExplore five established currencies held and reported within official foreign exchange reserve portfolios.Major CurrenciesExplore eight widely used currencies that anchor international payments, trade, travel and foreign exchange comparisons.
FAQ
Fixed exchange-rate currencies questions
Does a fixed exchange rate mean retail conversions never vary?
No. Banks and payment providers can apply their own timing, spreads and fees even when an official monetary arrangement links two currencies.
Is the Hong Kong dollar fixed at one exact value?
HKD operates under a currency-board system with a defined convertibility zone rather than a single customer exchange quote.
Can a fixed exchange-rate arrangement change?
Yes. Monetary authorities can revise or replace arrangements. CurrencyHub records the framework described by official sources and shows a separate provider date for reference rates.
Sources
Evidence and classification
Topic membership is editorially curated from existing CurrencyHub currency profiles. Institutional claims use the sources below; exchange-rate values remain on the converter and pair pages.