Let's say I deposit $500 into an account. The broker gives me 200:1 leverage. What can I buy on a EURUSD exchange with that? Some brokers automatically set a 100,000 unit buy? I don't understand...

Answer
At 200:1 buying the EUR/USD (based on today's EUR/USD price), one standard lot (100,000) would require about $720 worth of available margin. Most brokers will allow an account to trade down to a lot size of 0.1 standard lots(one mini-lot) requiring about $72 worth of available margin. Finally, there are a few brokers who allow a minimum position size of 0.01 standard lots (one micro-lot) which would cost about $7.2 of available margin.

I would like to ask about easy-forex...?

In trading currency online specially when using easy-forex, i heard that they charge spread.
I found out that spread is difference between buy price and selling price.
Assuming i buy Euro for $1.32, then i sell it for let's say $1.36.. in this case the online broker will charge me $0.04 in each trade, which means i will not get a profit??!
I think i missunderstood something, but i don't know where.. Please Help
Thanks

Answer
When trading forex, with easy-forex or any other broker, the broker will always quote you a price in this way: EUR/USD 1.3950/52. Meaning the broker will buy EUR/USD at 1.3950 and sell EUR/USD at 1.3952.
Notice the difference 1.3952 - 1.3950 = 0.0002, this in the world of forex is 2 pips. 1 pip = 0.0001. For some currencies it's different, USD/JPY is trading at say 82.30/82.32, here 82.32 - 82.30 = 0.02 this is 2 pips for this pair. All jpy pairs(EUR/JPY, GBP/JPY, AUD/JPY etc.) will be like that 0.01 = 1 pip

I'm hoping this makes sense. To give you another example, if you have ever traded stocks you'd know that a stock has a bid and an ask, the difference there is also a spread, but spread is not that commonly used in stocks.

Something worth noting, forex brokers have a different bid/ask, different brokers have different prices, it's the way the forex market is. There is no centralized exchange so everyone is free to offer you whatever price they want. So some brokers will have lower spread(which is good for you - the trader) some brokers will have a higher spread(naturally bad for the trader.
When choosing a broker always look for low spreads, some brokers offer spreads on EUR/USD as low as 0.5 pips, however they might charge a commission per trade. Some brokers will have a spread of under 2 pips without a commision, this is very competitive. In my opinion anything over 2.5 on the EUR/USD is too high, 3 and over is just too much.

So to get back to your example say you buy EUR at 1.32 and sell at 1.36, you only used 2 decimal places, you're more likely to buy at say 1.3240 and sell at 1.3610. So let's take a standard lot($100,000). Meaning you buy and sell $100 000 worth of currency, your broker will give you leverage so you probably will need to have less than 1k in your account. WIth 1 standard lot, a pip is equal to $10, so every time the EUR/USD moves by 1 pip you make or lose $ 10.

Let's calculate how much profit you'd have 1.3610 - 1.3240 = 370 pips, which is $3.7k.

The spread is not a factor here, you bought at 1.3240, at the time you bought the sell price must've been 1.3238, which is a spread of 2 pips. So whenever you open a trade right away you will see a negative balance in your account.

Last point I'd like to make. Even though forex brokers don't charge commissions your transaction cost is pretty high, the spread really adds up if you trade a lot. This 2 pip spread for 1 lot($100,000) is a profit of $20 for the broker. If you trade 20 lots per month, you're already paying $400 in transaction costs, but since it's just spread you don't see it compared to if it were a commission. So that's why most fx brokers will only charge you spread, rather than give you a lower spread and charge a commission.