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Never mind bubble fears, Nasdaq uptrend to continue

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Market talk of a bubble and possible 2000-style crash is rampant with the Nasdaq hovering around the 5000 level, but investor worries are overblown as charts suggest the uptrend will continue.

Investors are an easily panicked group. The Nasdaq reached 5000 and suddenly investors are worried about a repeat of the tech-crash in 2000. There's something magical about a round number like 5000.

It's a false worry because the nature of the Nasdaq trend is very different from the trend in 2009. Furthermore, the leading stocks including Apple, Microsoft, Amazon, and Google have genuine revenue generating businesses. In 2000 many Nasdaq listed stocks had big dreams but no revenue.

In 2000 it was very clear that the very fast and strong momentum rise of 247 percent from 1475 to 5132 over seven months was unsustainable. Compare this with the Nasdaq trend starting March 2009, best seen on the monthly chart.

The Nasdaq index has risen 295 percent from 1265 in March 2009 to 5002 last week. The rise has taken has taken more than six years, not seven months. This is a steady and sustainable trend rise. The 5000 level is not important from a technical perspective. The chart-based technical target is near 5200 – a little higher than the Nasdaq peak of 5132 in March 2000.

The Nasdaq has a rising trend channel. The lower edge of the trend channel is shown by trend line A, with the upper edge shown by trend line B. In November 2013 the Nasdaq moved above the value of trend line B and used it as a support level. If the Nasdaq develops a retreat, there is a high probability the value of trend line B will provide support, currently near 4460.

The Nasdaq trends moves up in a series of horizontal trading bands. The width of the trading band is measured and this value is projected upwards to give the new upside trading target. Using this method, the breakout above 4640 has an upside target near 5200. If the market retreats from the current high near 5000, there is good support near 4640.

This is a strong, steady and well-established uptrend. The Nasdaq is not showing any chart pattern development that indicates a major correction or change in the trend, so the uptrend has a high probability of continuing in the first half of 2015 towards 5200.

Read MoreNasdaq 5,000: Bubble or not?

There are three significant patterns that indicate a major trend change, which are best seen on a weekly chart where each candle represents a week of trading activity: the head and shoulder pattern, the rounding top pattern and a blow-off top pattern, which follows a period of extreme upwards momentum.

The third pattern was seen in the Nasdaq in March 2000 March. None of these trend reversal patterns currently appear on the Nasdaq chart, which suggests that the probability of a change in the trend direction in the first half of 2015 is low.

Many times the noise about "it's too high and it's going to fall" comes from investors and advisors who were too slow to join the Nasdaq uptrend any time between 2009 and 2014. If they haven't joined the party then, they will try to spoil the party for others.

Daryl Guppy is a trader and author of Trend Trading, The 36 Strategies of the Chinese for Financial Traders – www.guppytraders.com. He is a regular guest on CNBCAsia Squawk Box. He is a speaker at trading conferences in China, Asia, Australia and Europe.