Stock Trading with Trendlines

How a Simple Line Can Improve Your Trading Success
Elliott Wave International's Jeffrey Kennedy explains many ways to use this basic tool

By Elliott Wave International

The following trading lesson has been adapted from Jeffrey Kennedy's eBook, Trading the Line -- 5 Ways You Can Use Trendlines to Improve Your Trading Decisions. You can download the 14-page eBook here.

"How to draw a trendline" is one of the first things people learn when they study technical analysis. Typically, they quickly move on to more advanced topics and too often discard this simplest of all technical tools.

Yet you'd be amazed at the value a simple line can offer when you analyze a market. As Jeffrey Kennedy, editor of Trader's Classroom service, puts it:

"A trendline represents the psychology of the market, specifically, the psychology between the bulls and the bears. If the trendline slopes upward, the bulls are in control. If the trendline slopes downward, the bears are in control. Moreover, the actual angle or slope of a trendline can determine whether or not the market is extremely optimistic or extremely pessimistic."

In other words, a trendline can help you identify the market's trend. Consider this example in the price chart of Google.

That one trendline -- drawn between the lows in 2004 and the lows in 2005 -- provided support for a number of retracements over the next two years.

That's pretty basic. But there are many more ways to draw trendlines. When a market is in a correction, you can draw a trendline and then draw a parallel line: in turn, these two parallel lines can create a channel that often "contains" the corrective price action. When price breaks out of this channel, there's a good chance the correction is over and the main trend has resumed. Here's an example in a chart of Soybeans. Notice how the upper trendline provided support for the subsequent move.

For more free trading lessons on trendlines, download Jeffrey Kennedy's free 14-page eBook, Trading the Line -- 5 Ways You Can Use Trendlines to Improve Your Trading Decisions. It explains the power of simple trendlines, how to draw them, and how to determine when the trend has actually changed. Download your free eBook.

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How a Kid With a Ruler Can Make a Million

A Lesson in Drawing and Using Trendlines
September 24, 2009

The following article is adapted from a brand-new 50-page ebook from Elliott Wave International. Learn more about The Ultimate Technical Analysis Handbook, and download your free copy here.

By Jeffrey Kennedy

When I began my career as an analyst, I was lucky enough to have some time with a few old pros.

One in particular that I will always remember told me that a kid with a ruler could make a million dollars in the markets. He was talking about trendlines. I was sold.

I spent nearly three years drawing trendlines and all sorts of geometric shapes on price charts. And you know, that grizzled old trader was only half right.

Trendlines are one the most simple and dynamic tools an analyst can employ... but I have yet to make my million dollars, so he was wrong -- or at least early -- on that point.

Despite being extremely useful, trendlines are often overlooked. I guess it’s just human nature to discard the simple in favor of the complicated.

(Heaven knows, if they don’t understand it, it must work, right?)

In the chart above, I have drawn a trendline using two lows that occurred in early August and September of 2003.

As you can see, each time prices approached this line, they reversed course and advanced.

Sometimes, soybeans only fell to near this line before turning up.

Other times, prices broke through momentarily before resuming the larger uptrend.

What still amazes me is that two seemingly insignificant lows in 2002 pointed the direction of soybeans -- and identified several potential buying opportunities -- for the next six months!

Get more lessons like the one above in the free 50-page Ultimate Technical Analysis Handbook. Learn more and download your free copy here.

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Jeffrey Kennedy is the Chief Commodity Analyst at Elliott Wave International (EWI). With more than 15 years of experience as a technical analyst, he writes and edits Futures Junctures, EWI's premier commodity forecasting service.