How Dual Currency Investments (DCIs) work?
- simpleisgd
- Feb 10
- 3 min read
Updated: Feb 11
Introduction
A Dual Currency Investment (DCI) is a structured financial product that allows investors to earn potentially higher returns by taking on foreign exchange (FX) risk. It is a short-term investment that combines a fixed deposit with an embedded FX option, meaning the final payout depends on currency movements.
Investors typically use DCIs to enhance yield on idle cash or take speculative positions on currency fluctuations. However, it is important to understand that DCIs do not guarantee principal protection, as investors may receive their returns in a currency different from the original deposit currency.

How DCI Works?
Investment Currency Selection
The investor selects a base currency (e.g., USD) to invest in and a linked currency (e.g., SGD).
Strike Price Agreement
The investor agrees to a predetermined exchange rate (strike price) at which their funds may be converted into the linked currency at maturity.
Fixed Investment Tenor
The investment has a short-term maturity, typically from one week to a few months.
Enhanced Yield Opportunity
The investor earns a higher interest rate compared to a standard fixed deposit in exchange for accepting FX conversion risk.
Final Payout in Either Currency
At maturity, the investment is either repaid in the base currency (USD) or converted into the linked currency (SGD) at the agreed strike price, depending on market conditions.
Example: USD/SGD Dual Currency Investment
Scenario Setup
An investor has USD 100,000 and is considering a 30-day Dual Currency Investment (DCI) with the Singapore Dollar (SGD) as the linked currency.
Current USD/SGD Spot Rate: 1.3500
Strike Price (Pre-agreed Exchange Rate): 1.3550
Interest Rate on DCI: 5% per annum
Maturity Period: 30 days
At maturity, the payout will depend on the prevailing USD/SGD exchange rate compared to the strike price (1.3550).

Scenario 1: SGD Payout (If USD/SGD is Above 1.3550)
If the exchange rate is above 1.3550 (e.g., 1.3600), the investor receives the principal and interest converted to SGD at the pre-agreed rate of 1.3550.
Final Payout: USD 100,416 x 1.3550 = SGD136,063 (Principal + 30-day interest).
Scenario 2: USD Payout (If USD/SGD is Below 1.3550)
If the exchange rate is below 1.3550 (e.g., 1.3450), the investor receives the principal and interest back in USD.
Final Payout: USD100,416 (Principal + 30-day interest).
Pros and Cons of Dual Currency Investments
✅ Advantages
Higher Interest Rates: DCIs offer higher yields compared to standard fixed deposits.
Short-Term Investment: Allows for flexibility in managing cash holdings.
FX Exposure Management: Ideal for investors with currency needs in both USD and SGD.
❌ Risks and Considerations
Potential Currency Loss: If converted at an unfavorable exchange rate, the investor may receive less value in USD terms.
No Principal Protection: Unlike traditional deposits, the principal is not guaranteed.
Limited Liquidity: DCIs must be held until maturity, and early withdrawal incurs penalties.
Who Should Consider DCIs?
Investors with FX Exposure: Those with regular USD and SGD transactions can use DCIs to optimize returns.
Yield-Seeking Investors: Those looking for higher returns than standard fixed deposits.
Businesses with Multi-Currency Needs: Companies that operate in multiple currencies can benefit from DCI-enhanced yield.
Final Thoughts
Dual Currency Investments (DCIs) offer an attractive way to earn higher yields while taking on currency risk. However, they are not principal-protected, and investors should carefully assess their FX risk tolerance before investing.
Disclaimer: This article is for educational and informational purposes only and should not be considered financial or investment advice. All investments carry risks, including potential capital loss. Readers should conduct their own research and consult a qualified financial professional before making any investment decisions. The author and publisher are not responsible for any financial losses incurred based on the information provided.