Evaluate the types of margin of trading used in forex trade and how one maximises the benefit.

Margin trading in Forex is a type of trading where a small amount of capital is used to control a larger position. This allows traders to leverage their positions and potentially generate higher profits. There are two types of margins used in Forex trading:

1. Used Margin: This is the amount of money that is currently used to keep positions open. It is essentially locked in until the trader closes his/her positions.

2. Free Margin: This is the amount of money left in a trader's account that is available for opening new positions. It can be calculated by subtracting the used margin from the total equity.

To maximize the benefits of margin trading, a trader should:

1. Understand Leverage: Leverage is a double-edged sword. It can magnify profits, but it can also magnify losses. Traders should use leverage wisely and not risk more than they can afford to lose.

2. Use Stop Loss Orders: Stop loss orders can limit potential losses. They automatically close a position when the price reaches a certain level.

3. Monitor Margin Level: Traders should always monitor their margin level. If it falls below a certain level (usually 100%), the broker may issue a margin call, requiring the trader to deposit more funds or close some positions.

4. Diversify: Diversification can spread risk across different currency pairs and market conditions.

5. Educate Themselves: Traders should educate themselves about the Forex market, margin trading, and risk management. They should also stay updated with market news and economic events.

6. Practice Risk Management: This includes not risking more than a certain percentage of the trading account on a single trade, using stop loss orders, and regularly reviewing and adjusting the trading strategy.

Remember, while margin trading can increase profits, it can also increase losses. It's important to understand the risks and use appropriate risk management strategies.