Signals from head and shoulders formations, Oslo Stock Exchange 1996-2014

Research results from Investtech, 18 December 2014
Published in English on 30 December 2014. Norwegian original here >>

Stocks with sell signals from long term head and shoulders formations fell on average by 4.4 % in the three months following the signal. Stocks with long term buy signals from inverse head and shoulders formations rose on average by 13.9 % in the next three months. This is shown in a research report from Investtech based on 19 years of data from the Oslo Stock Exchange.

A head and shoulders formation is a top formation which marks the end of a rising period. The formation consists of a left shoulder, a head and a right shoulder, connected by a neckline, see figure 1. The creation of a head and shoulders formation mirrors increasing pessimism among investors and the beginning of a falling trend. Such formations are often considered some of the most reliable formations in technical analysis. They are used to predict price reversals in long term market trends, but are also used in the shorter term.

There is also an opposite version of this formation, the inverse head and shoulders formation, see figure 2. This is a is a bottom formation which marks the end of a falling trend. An inverse head and shoulders formation indicates increasing optimism among investors and the beginning of a rising trend..

Head and shoulders formation sell

Figure 1: Sell signal from a head and shoulders formation.

Inverse head and shoulders formation buy

Figure 2: Buy signal from an inverse head and shoulders formation.

In technical analysis terminology a break down through the neckline of a head and shoulders formation triggers a sell signal. Similarly a break upwards from an inverse head and shoulders formation triggers a buy signal.

Investtech’s Head of Research Mr. Linløkken has studied the price movements that have followed such buy and sell signals on Norway’s Oslo Stock Exchange in a period of 19 years, from 1996 to 2014.

Investtech’s computers identified 111 buy signals and 144 sell signals in this period.

Figure 3: Price development after buy and sell signals from inverse/head and shoulders formations on the Oslo Stock Exchange identified by Investtech’s automatic algorithms in long term price charts. Click the image for bigger version.

The chart shows average price development 66 days after buy signals from inverse head and shoulders formations and sell signals from head and shoulders formations. The signals are triggered on day 0. Only days when the exchange is open are included, so 66 days equal approximately 3 months. Buy signals are the blue line and the sell signals are the red one. The shaded areas show the standard deviation for these calculations. The black line is the benchmark index.

On average, stocks with buy signals rose by 13.9 % in 3 months, whereas stocks with sell signals fell by 4.4 %.

These statistics are based on a relatively small number of data points, and the results from the Swedish Stockholm Stock Exchange are not this good. Further studies are thus required, including studies of other price formations that signal long term trend reversals.

Read the complete research report here for more results and details.

 

Keywords: Buy signal,Head and shoulders formation,Inverse head and shoulders formation,Oslo Stock Exchange,Sell signal,statistics.

 


Investeringsanbefalinge(r)n(e) er udarbejdet af Investtech.com AS ("Investtech"). Investtech garanterer ikke for fuldstændigheden eller rigtigheden af analysen. Eventuel eksponering i forhold til de råd / signaler, som fremkommer i analyserne, står helt og holdent for investors regning og risiko. Investtech er hverken direkte eller indirekte ansvarlig for tab, der opstår som følge af brug af Investtechs analyser. Oplysninger om eventuelle interessekonflikter vil altid fremgå af investeringsanbefalingen. Yderligere information om Investtechs analyser findes på infosiden.


Investeringsanbefalinge(r)n(e) er udarbejdet af Investtech.com AS ("Investtech"). Investtech garanterer ikke for fuldstændigheden eller rigtigheden af analysen. Eventuel eksponering i forhold til de råd / signaler, som fremkommer i analyserne, står helt og holdent for investors regning og risiko. Investtech er hverken direkte eller indirekte ansvarlig for tab, der opstår som følge af brug af Investtechs analyser. Oplysninger om eventuelle interessekonflikter vil altid fremgå af investeringsanbefalingen. Yderligere information om Investtechs analyser findes på infosiden.

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