Reasons for buying and selling foreign currencies: speculation

International Trade and Globalisation – Foreign Exchange Rates

Speculation: Why Traders Buy and Sell Foreign Currencies

Imagine you’re at a concert venue and you spot a ticket for a popular band.

Speculation in foreign exchange works the same way: a trader buys a currency today because they believe its price will rise in the future, allowing them to sell it later at a profit.

Conversely, if they think the price will fall, they sell the currency now and buy it back later at a lower rate.

The goal is to make money from the price movement, not from the goods or services the currency represents.

  1. Anticipating Future Movements – Traders study economic data, political events, and market sentiment to predict whether a currency will strengthen or weaken.

  2. Using Leverage – Many speculators trade on margin, meaning they control a large amount of currency with a relatively small amount of capital, amplifying potential gains (and losses).

  3. Short‑Term Trading – Speculators often hold positions for days, weeks, or even minutes, taking advantage of short‑term price fluctuations.

  4. Risk Management – Stop‑loss orders and hedging strategies help limit downside risk while still allowing for upside potential.

A quick example:

Suppose the USD/EUR rate is 0.90 today. A speculator believes the euro will strengthen, so they buy €1 000,000 for $900 000.

Two weeks later, the rate rises to 0.95. They sell the €1 000 000 for \$950 000, earning a \$50 000 profit (before fees).

DateUSD/EUR RateSpeculator’s PositionProfit/Loss
1 Jan0.90Bought €1 000 000–
15 Jan0.95Sold €1 000 000$50 000

Exam Tip: When answering questions on speculation, remember to:

  • Define speculation clearly.

  • Explain the motives behind buying or selling a currency.

  • Use concrete examples (e.g., a trader buying EUR expecting it to strengthen).

  • Include key terms such as leverage, short‑term trading, and stop‑loss.

  • Show any relevant calculations with LaTeX, e.g., \$Profit = (S{\text{sell}} - S{\text{buy}}) \times \text{Amount}\$.

Quick Review:

Speculation is all about betting on price movements in the foreign exchange market. Traders use information, leverage, and risk‑management tools to try to profit from short‑term changes in currency values.