In forex margin trading, different currency pairs can usually use different leverage ratios. The following are some common currency pairs that traders often choose for high leverage trading: 1. **EUR/USD (Euro/US Dollar)** 2. **GBP/USD (British Pound/US Dollar)** 3. **USD/JPY (US Dollar/Japanese Yen)** 4. **AUD/USD (Australian Dollar/US Dollar)** 5. **USD/CAD (US Dollar/Canadian Dollar)** 6. **NZD/USD (New Zealand Dollar/US Dollar)** 7. **EUR/JPY (Euro/Japanese Yen)** 8. **GBP/JPY (British Pound/Japanese Yen)** 9. **EUR/GBP (Euro/British Pound)** 10. **AUD/JPY (Australian Dollar/Japanese Yen)** **Some points to note:** - **Leverage selection**: High leverage can magnify potential gains, but it can also magnify losses. Be sure to carefully choose the leverage ratio based on your risk tolerance. - **Broker selection**: Different forex brokers may offer different leverage ratios. It is recommended to choose a reputable and regulated broker for trading. - **Regulatory regulations**: Different countries and regions have different regulatory restrictions on leverage ratios for foreign exchange transactions. For example, the maximum leverage limit for retail customers in the European Union is usually 30:1, while it may be higher in some other regions. - **Market volatility**: High-leverage transactions are very sensitive to market fluctuations, and slight market fluctuations may cause large fluctuations or even losses in account funds. Before deciding to use high leverage for foreign exchange transactions, it is recommended to fully understand the relevant risks and consider consulting a professional financial advisor for advice suitable for your situation.