How To Use The Relative Strength Index
One of the most useful tools employed by many technical commodity traders is a momentum oscillator which measures the velocity of directional price movement.

When prices move up very rapidly, at some point the commodity is considered overbought; when they move down very rapidly, the commodity is considered oversold at some point. In either case, a reaction or reversal is imminent. The slope of the momentum oscillator is directly proportional to the velocity of the move, and the distance traveled up or down by this oscillator is proportional to the magnitude of the move.

The momentum oscillator is usually characterized by a line on a chart drawn in two dimensions. The vertical axis represents magnitude or distance the indicator moves; the horizontal axis represents time. Such a momentum oscillator moves very rapidly at market turning points and then tends to slow down as the market continues the directional move. Suppose we are using closing prices to calculate the oscillator and the price is moving up daily by exactly the same increment from close to close. At some point, the oscillator begins to flatten out and eventually becomes a horizontal line. If the price begins to level out, the oscillator will begin to descend.

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Picturing Technical Objectives
When prices form pictures on charts, you can obtain realistic objectives for later moves. One of the most reliable chart formations is the head-and-shoulders top or bottom. This easily recognizable chart pattern signals a major turn in trend.

The main advantage of the head-and-shoulders pattern is it gives you a clear-cut objective of the price move after breaking out of the formation. Measure the price distance between the head and the neckline and add it to the price where the neckline is broken. This projects the minimum objective. Although the head-and-shoulders gives no time projection, it predicts a very strong trend in the future.

In most cases, a head-and-shoulders formation will be symmetrical, with the left and right shoulders equally developed. Although the neckline doesn't have to be horizontal, the most reliable formations stray only a little.

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Finding A Friend In The Trend

"The trend is your friend" is an important trading guideline.

Because trends persist for long periods, a position taken with the trend will more likely be successful than one taken randomly or against the trend. Trading with the trend in a bull market means buying on dips; in a bear market, selling on rallies.

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