This is not a trick question. For instance, has it ever occurred to you after watching the price action on EUR/USD for days, seeing it go from 1.5300 to 1.5550, and ask yourself that question?
Well, I have and the simple answer is that there are more orders BUYING EUR/USD than SELLING, so the price went up from 1.5300 to 1.5550 based on more demand and less supply.
Then, it dawned on me that for every price action, a tick, or a pip, there are orders being filled. The market is traveling to the direction where it gets more orders. Now think of this like taxi cabs instead of subway or a train. The orders are dictating where the market goes, not the market making stops at every pip and see if there are orders. If there aren't any orders, market will not even travel there in the first place.
The real question is why the orders are piling up one way? The answer, of this supply; demand symptom that we are seeing of more demands on the EUR/USD is the key to understanding Forex Market.
Take a moment and think about it. The reason why EUR/USD is moving up is because the market thinks (perceives) that EUR is more valuable than USD. That is why it is getting bid up. The real underlying question is: Why does the market think EUR is more valuable than USD?
Here is the real answer: Forex Market moves because of fundamental news. If there are no news releases, there would be practically no movements in the Forex market because the value of every currency pair would be fixed, with no expectation of better or worse, the market will stay at a standstill.
So, we've come to a full circle now illustrating WHY the market moves. To put it in a different perspective, Forex Market moves because it is constantly trying to reach equilibrium with news events, pricing in surprises in fundamental news and sentiments. In other words "The Price EUR/USD (or any currency pair) is trading at is NOT its real value, but a perceived future value, an estimated value that the market has placed on it, as results of past, present, and future (estimated) events.
That's why it's so important to understand Fundamental news. Every high impact news release changes the perceived value of the currency, understanding these fundamentals will give you a bird's eye view of the market and allow you to place trades and stay on the right side of the market…from: www.newsprofiteer.com