What are the few common trend indicator that could earn us a good trade ?

<p id="isPasted"><strong>Average directional index</strong></p><p>This indicator is based on how strong a trend is, using a scale going up to 100 to measure that strength. Plotted on a graph, an increasing ADX line shows an increasing trend strength, while a falling line shows a decrease in trend strength. In the case of average directional index, a falling line doesn't mean a reverse in trend, only a weakening of the current trend.</p><p>This trend following trading strategy indicator also shows trend momentum, with an increasing number of higher peaks suggesting stronger momentum and lower peaks showing decreasing momentum. This can be a helpful tool to prevent exiting a trend too early or too late. Simply identifying a change in momentum can help traders to decide when to exit a trade or when to put risk-management strategies in place.</p><p><br></p><p><strong>Bollinger bands</strong></p><p>This is another technical analysis tool where three lines are plotted on a graph, representing the simple moving average, an upper band and a lower band. The bands are based on standard deviations of recent price movements. Like RSI, this trend trading strategy indicator can identify overbought and oversold signals and suggests the level of volatility in the market.</p><p>The 'Bollinger bounce' refers to support and resistance levels and should only be traded when a security is not experiencing a trend. The 'Bollinger squeeze', however, is the thing for which a trader should look out when trading trends. When the two bands come together, it's likely a signal of a trend breakout.</p><p><br></p><p><strong>Donchian channels</strong></p><p>These indicators are used to spot trend breakouts and retracements, utilising candlestick charts as opposed to graphs. Like Bollinger bands, these rely on three bands to represent market momentum and show the highest highs and lowest lows.</p><p>Traders typically open a long position when a security trends towards the upper band, suggesting a rise in value. They look to enter a short position when the trend shows a downward momentum.</p><p>Calculating Donchian channels is done by identifying the highest high of the upper band and the lowest low of the lower band over a set time period. The value of the lower band is then subtracted from the upper band value. This figure is then divided by two. This middle line is then used as a signal of when to enter and exit trades.</p>