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Yen to Fall 6% Against the Dollar in the Short-Term: Chart

The weekly dollar/yen chart shows two types of technical features. The first group is support and resistance features. The second group is a long term trend reversal fan pattern.

The Japanese central bank’s defense of dollar/yen at 76 as a support level has been successful. Upside resistance is created by two features. The first is the classic resistance level located near 84 yen. The second is around 87 yen. This creates a consolidation band resistance area.

Any breakout above 84 yen has immediate resistance near 87 yen. This limits the probability of a fast breakout above 84 yen and a move towards the long term resistance near 94 yen.

However, there is a second group of features which impose both a new resistance level and also offer the promise of a long term trend reversal. This is the fan pattern that starts from the 2008 August highs near 110 yen.

The fan pattern consists of a series of trend lines, all starting from the same high point. These lines first act as a support level, and then later as a resistance level. The price activity is contained between these trend lines. When a breakout occurs the rally is capped and this creates the location point of a higher trend line.

A fan pattern develops as a trend starts to change direction. It is most commonly seen in a downtrend. The pattern occurs when prices are re-valued upwards, but the direction of the trend does not change. This appears on the chart as a shift sideways. The old resistance level acts as a new support level. The new resistance level does not run parallel to the old support level.

Instead it broadens away in an expanding wedge. As price action moves horizontally in time the price uses the new resistance line as a limit area. A break above this is often decisive, making a new high before pulling back to use the old resistance level as a new support level.

The breakout above the trend line C on the chart in 2011 February quickly moved to resistance near 84 yen before retreating. This peak at 84 yen provides the second anchor point for trend line D. The current value is near 80 yen. A breakout above trend line D is very bullish even though classic resistance is near 84 yen.

It’s very bullish because the fan pattern reversal is typically a very long term pattern. It may take six months to a year to fully develop. Usually it has three to four sections of the fan. The dollar/yen chart shows three fan sections so the balance of probability favors a successful rally towards 85 yen with a breakout above 80 yen.

The key indicator of long term success and a trend change is a retreat following the breakout that uses the upper downtrend line D as a support level. This behavior would confirm the development of a new uptrend in the dollar/yen chart.

In the short term this is a rally and retreat environment moving towards historical resistance. In the longer term this is the late stages of a developing fan pattern trend reversal.

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.

If you would like Daryl to chart a specific stock, commodity or currency, please write to us at ChartingAsia@cnbc.com. We welcome all questions, comments and requests.

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  • Daryl Guppy is an independent technical analyst who appears frequently on CNBC Asia.

Asia Economy