Forex trading works by exchanging one currency for another at an agreed-upon price, with the goal of profiting from changes in exchange rates. For Greek traders, the most common pair is EUR/USD, which represents the euro against the US dollar. When you buy EUR/USD, you are buying euros and selling dollars, expecting the euro to strengthen. If the rate rises from 1.1000 to 1.1100, you profit 100 pips. A pip is the smallest price move, typically 0.0001 for most pairs. With a standard lot (100,000 units), each pip is worth $10, but retail traders in Greece often use mini lots (10,000 units) or micro lots (1,000 units) to manage risk. For example, if you deposit €500 and use 10:1 leverage, you can control a position worth €5,000. If EUR/USD moves 1% in your favor, you gain €50—a 10% return on your deposit. However, if it moves against you by 1%, you lose €50. Leverage amplifies both profits and losses. Greek traders can access the market through online brokers that offer platforms like MetaTrader 4 or 5. You can trade major pairs (EUR/USD, USD/JPY), minor pairs (EUR/GBP), or exotic pairs (USD/TRY). The market is decentralized, meaning trades occur over-the-counter (OTC) through banks, brokers, and electronic networks. For Greek traders, trading hours align with European sessions, which overlap with US sessions for high liquidity. Understanding spreads (the difference between bid and ask prices) and swap rates (overnight interest) is crucial. Many Greek brokers offer fixed or variable spreads, with EUR/USD spreads as low as 0.1 pips during peak hours. Always practice with a demo account before risking real money, and use risk management tools like stop-loss orders to protect your capital.