Recently, more and more people are paying attention to foreign currency investments.

In fact, this topic is really worth深入了解 for Taiwanese investors.
After all, in a low-interest-rate environment, relying solely on Taiwan dollar fixed deposits for interest income can't keep up with asset appreciation needs, and foreign currency investment provides an alternative path.

Let me first explain why investing in foreign currencies is important.
The most direct reason is the interest rate differential.
Taiwan's fixed deposit rates have been historically low, while countries like the US and Australia have relatively higher interest rates, and this gap represents potential profit.
But that's not all. From an asset allocation perspective, if all assets are denominated only in Taiwan dollars, you're actually bearing exchange rate risk.
When the home currency depreciates significantly, wealth shrinks.
Additionally, foreign exchange trading is more transparent and fair than stocks because participants come from around the world, making it difficult for anyone to manipulate a currency's trend.
Moreover, the forex market trades 24 hours a day, unlike stocks with fixed trading hours, which are advantages of foreign currency investment.

Regarding investment methods, there are generally three options.
The simplest is foreign currency fixed deposits, suitable for beginners, with low risk but also low returns, mainly earning the interest rate differential.
Next is foreign currency funds, offering better flexibility, no lock-in periods, and can be bought or sold at any time, with returns between savings and fixed deposits.
If you have some experience and seek higher returns, you can consider forex margin trading, which uses leverage to amplify gains, but also increases risks, requiring cautious operation.

As for choosing currencies, the common ones include USD, JPY, AUD, EUR, and more than ten others.
These currencies can be divided into four categories.
Policy currencies like USD and EUR are mainly influenced by central bank policies.
Hedging currencies are JPY and Swiss Franc, both from economically stable countries with low political risk, often used for hedging.
Commodity currencies include AUD and CAD, whose exchange rates are closely related to commodity prices; for example, Australia is a major iron ore exporter, and when iron ore prices fall, the AUD also depreciates.
Emerging market currencies like RMB and ZAR have high interest rates but also high volatility, with relatively higher risks.

For beginners, I recommend starting with hedging and commodity currencies.
Hedging currencies perform steadily, and commodity currencies are easier to grasp in terms of trend movements.
Combining these two is quite suitable for most investors.
Of course, USD, as the global settlement currency, will always be the core choice for foreign currency investment.

Many factors influence exchange rates.
Countries with low inflation rates usually see their currencies appreciate because the prices of goods and services rise slowly, preserving purchasing power.
Rising interest rates attract foreign capital inflows, pushing up the exchange rate.
High government debt can deter foreign investment, leading to currency depreciation.
Trade improvements and political stability also make a country's currency more attractive.

In actual operation, foreign currency investment mainly relies on "buy low, sell high" to make money, but the advantage of forex trading is that it allows for two-way trading.
If you expect a currency to appreciate, buy it; if you expect it to depreciate, sell it.
This flexibility is not available in traditional investments.
But to make money, knowing how to buy and sell is not enough; the key is to choose the right targets, develop reasonable trading strategies, and maintain a stable mindset.

When investing in foreign currencies, a few points are very important.
First, avoid currencies you don't understand; focus on mainstream currency pairs.
Second, always pay attention to exchange rate fluctuations and international news, as policy changes and economic data can influence trends.
Diversification is also crucial; for example, using USD fixed deposits combined with AUD funds to hedge risks.
If engaging in forex margin trading, learn to set stop-loss and take-profit orders to prevent margin calls.
Timing entry points carefully is also essential—avoid chasing highs or selling in panic; wait for a trend to form before entering.

Finally, I want to say that any investment strategy that hasn't been practiced is just theoretical.
The best way to practice is to use a demo account first, to evaluate your trading strategies in a real market environment.
Foreign currency investment is indeed a good asset allocation option, but only if you have sufficient knowledge preparation and risk awareness.