Efficient Market Theory

The efficient market theory states that the stock market reacts very quickly to new information, so at any given time the market contains the sum of all investors’ views of the market.

What does this mean to the average investor? Imagine you are reading an article in the Wall Street Journal.  Dell is going to release a new computer in three months that will blow away the competition.  You think maybe tomorrow you’ll call your broker and buy Dell, because obviously the price will go up.  The efficient market theory states, in no uncertain terms, you are too late! If you bought Dell stock as soon as soon as you read the article, or even as soon as it was printed, you are still too late.  A lot of more savvy investors and traders bought the stock before you, and drove the price up.  It doesn’t matter that the new computer won’t be released for 3 more months.  Whoever buys the stock first wins.

What does this mean to the savvy trader? Even if you have the fastest tools and the best information, you still have to work for it.  Trading is a competition.  No strategy will always work.  That’s impossible, because in order for someone to win, someone else has to lose.

Trade-Ideas offers a number of tools to help you prepare for that competition.  Our tools help you find trends long before they hit the newspaper.

Recently the efficient market theory has been misquoted a lot.  The efficient market theory does not say that the market is always correct.  It says that the market represents the sum of the information available and the choices made by traders and investors.  Traders and investors can be wrong.  Information can be wrong.  The best opportunities come when the market is temporarily wrong.  The smart traders will find the difference between the market value of a stock and the ideal value before the rest of the crowd does.

One successful strategy that many of our customers use is called “mean reversion.” This strategy is based on the idea that the market is not 100% efficient.  Time after time, the market will overreact to bad news.  Prices will move much further than they should.  Then they will move back toward normal.  Our tools are set up to help you see interesting events in the market as they happen.  And our tools also help you with the statistics to know what’s normal and what’s out of range.

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Finding trades is what Trade Ideas users do multiple times every trading day. It doesn't matter if you trade once an hour, or once in a blue moon.

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