Drawing the line: Correctly

The quickest and easiest way to establish a trend is by drawing a trend line, yet it is unbelievable and frightening how often these are done incorrectly. At the risk of being pedantic and accused of treating readers condescendingly, we remind how things ought to be done. We also make suggestions as to when and how to bend the rules.Gold

In a bull market a trend line must be drawn under the prices (bars, candles or line charts) and at least three points of contact must be made; the more the merrier and the stronger the signal when a break occurs. A parallel can be drawn above the prices creating a trend channel, a break of the upper line merely suggesting acceleration rather than anything more exciting. The narrower the trend channel, the stronger its validity and the signals it might generate; very broad bands are just that. The only time any old line can be drawn above prices in a bull market is when it forms part of a pattern, a triangle for example, and must not be labelled a trend line.

Rubber

Conversely in a bear market all of the above are reversed and the same rules hold. The temptation to draw a semi-parallel line below prices is great – but incorrect – and is caused by the tendency for bear markets to end slowly and cautiously (creating a downward-sloping wedge pattern) while bull markets are more likely to end with a bang (like a shooting star) not a whimper.SGD

An Andrews pitchfork consists of three parallel lines, a central one that hugs price action and two outer ones which attempt to capture most but not all of the extremes; points of contact do not apply rigorously here. Think of it like linear regression around which one, two, or other (1.6 perhaps?) standard deviation bands are drawn.

When you plTBondot a line and don’t like the look of it, just keep on trying. I usually join the bodies of the candles and ignore the wicks as these are often spikes in the market, but then one must remember that only a close through the line constitutes a real break. Where a trend is slowing, draw several line segments that capture waning momentum – and acknowledge that it may not constitute a true break in trend. Finally, when nothing seems to work accept that there is no trend. The reality is that all too many markets spend most of their time meandering rather than trending.

The trend may be your friend, but often s/he is not around.

Charts Thomson Reuters

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Posted in Finance, Markets, STA charts, STA news, Technical Analysis, Trading, Trending
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One comment on “Drawing the line: Correctly
  1. Axel Rudolph says:

    Nicole is right, drawing trend lines should be straight forward, nonetheless many inexperienced technical analysts do it incorrectly. We see it in nearly every examination!

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About Nicole Elliott

Nicole Elliott

A graduate of the London School of Economics and Political Science (BSc Social Psychology) Nicole Elliott has worked in banks in the City of London for the last 30 years. Whether in sales, trading or forecasting technical analysis has always been the bedrock of her thinking. Key expertise lies within all areas of treasury: foreign exchange, money markets, fixed income and commodities.

She has also added to the body of knowledge of the industry writing the first western book on Ichimoku Cloud Charts. Strong media links and a cult following are due to her prescient calls on the markets and often entertaining format.

Nicole can be contacted at trending@sta-uk.org

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