The ADX can then be used as an early indicator of the end/pause in a trend. When the ADX begins to move lower from its highest level, the trend is either pausing or ending, signaling it is time to exit the current position and wait for a fresh signal from the DI+/DI- crossover.
CHART 1: JUMP IN AND HANG ON FOR THE RIDE. If you are an aggressive trader and entered a long position at Point A, and only exited your position at Point C, you would be pleased with the results. This can be achieved with a few simple indicators.
Let's look at recent long-term trend (chart 1) and put trendline analysis together with the DMI system to illustrate the utility of these tools when used in conjunction with each other. An aggressive trader might initiate a long position as the daily resistance line is breached on 11/12/03 (point A). A trader looking for confirmation might wait a day, when the DI+ crosses up through the DI- line, generating a buy signal. A conservative trader might wait for confirmation of the DI+/- crossover by waiting for the extreme point (high) to be exceeded, in line with Wilder's extreme point rule. This confirmation is given the following day (11/14/03). As the market begins to move higher, the support trendline drawn off the lows is tested, but holds, underscoring its validity to a nascent trend. Although the market has moved higher in line with the DI+/DI- crossover and trendline support, the ADX is still below 25 until 12/2/03 (point B), when a trend is finally confirmed. At this point, a trader should recognize that they are in a trending market and trend following systems can usefully be employed.
This brings us to the point of introducing some additional tools that can be used to maximize profit within a trending market. We have already suggested using the ADX as an early indicator of the end of a trend. Note that from point B, when it first registers above 25 indicating a trending market, the ADX continues to make new highs until 01/14/04 (point C) when it closes lower signaling a likely end to the uptrend and that it's time to exit the long position.
A second tool used to identify an exit point and possibly the end of a trend is the parabolic indicator. The parabolic indicator follows the price action but accelerates its own rate of increase over time and in response to the trend. The result is that the parabolic is continually closing in on the price, and only a steadily accelerating price rise (the essence of a trend) will prevent the price from falling below the parabolic, signaling an end to the trend. Chart 2 shows the parabolic indicator overlaid on the previous chart. Note that the parabolic gives an exit signal (point D) the day after the ADX experienced its first lower close.
CHART 2: ADD A COUPLE MORE INDICATORS. Here, the parabolic indicator was used. The exit signal was given one day after the ADX gave its exit signal.
The very basic trendlines that are drawn also could have signaled the end to the uptrend. Note that the price accelerates above the upper channel line in the final extension of the uptrend, tests back to the break and then goes on to make new highs. The subsequent price decline back below the upper channel line would then signal the end of the up-move. As well, another support line similar to the parabolic could also be drawn, and its breach would have been the earliest signal of the end of the upmove.
What About Short-term Trading?
The same tools outlined above can be used for short-term decision making, even in markets that are trading sideways, or so-called trendless markets. While the market may not be trending in a long-term sense, there are multiple smaller, short-term movements taking place that can be exploited. (One caveat must be noted, though: traders need to be aware of what is happening in the bigger picture. If shorter term ADX readings indicate a trending market, traders must be circumspect in initiating trades that are counter to the larger, daily trend.)
CHART 3: INTRADAY BASIS. On this hourly chart of the Australian dollar, the first entry signal was at point A. You could have held until point D, where you should have sold your position. The next entry signal was point AA (short) with a signal for covering that short position at point CC.
Let's then look at a short-term scenario using an hourly chart of the Australian dollar (chart 3). The first hint of a potential trading opportunity is the quick convergence of the DI+/DI- lines in the hour marked by point A. This is caused by the sharp bounce in price during that hour. The next hourly bar breaks through and closes above trendline resistance, precipitating DI+ crossing up through DI-. Following Wilder's extreme point rule, we wait for the previous high to be surpassed, which happens in the next hour at point B. At this point, we have several signals indicating a long position-the break of trendline resistance, crossover of DI+/DI-, extreme point rule satisfied, break of parabolic. As the market moves higher, the ADX begins to rise as well, peaking at point C and declining at point D, giving us our signal to exit the long. Basic trendline and parabolic supports are then broken several hours later setting the stage for the next potential move.
The next signal is given at point AA as the DI- crosses up through the DI+, generating a sell signal. This coincides with the price falling below recent hourly lows. The ADX begins to move up, indicating the possibility of a trend forming and eventually rises over 25 at point BB indicating a trend is in place and that the parabolic should be followed. Trendline and parabolic resistance are then breached and the ADX stalls at point CC, indicating an early, but profitable exit to the trade.
The Trend is Your Friend
Profiting from market trends is the essence of making the trend your friend. The first step to profiting from both short- and long-term trends is understanding what constitutes a trend and knowing how to identify them. The next step is employing a disciplined trading strategy that is specific to trends. A conscientious approach utilizing trendline analysis, the DMI system, and the parabolic indicator should help traders make more friends of market trends.
Authored by Brian Dolan & Kenneth Agostino
Originally published in Technical Analysis of Stocks and Commodities, September 2004
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