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Support and Resistance: Technical Analysis 101



How to Use Support and Resistance

Since support and resistance give a good indication of price barriers for a stock, they're incredibly useful tools to use when making trading decisions. For example, buying at support often means that a trader is getting in at the best price. Likewise, selling at resistance removes many of the risks of a violent reversal. Using support levels to set your stop loss prices is another effective way of managing risk and unloading a stock when it proves unable to follow your technical cues.

Even if you're not actively trading, support and resistance levels can give investors important perspective over their portfolios. If shares of a stock are falling, knowing that a strong resistance level is nearby can save you from selling prematurely.

Inevitably, because the myriad factors that price stocks are constantly changing, support and resistance levels can fail. As with any other technical analysis tool, they provide high-probability expectations for a stock's price, not an absolute prediction of the future. For that reason, waiting for confirmation of a "bounce" off of support or resistance is essential. Confirmation can vary depending on trading styles and timeframes, but generally, you can consider a bounce confirmed after a second consecutive bar that moves progressively away from a support or resistance level.

Must Read: How to Trade a Breakout

While no indicator is a crystal ball for a stock's movement, support and resistance can provide an effective, profitable framework for estimating a stock's behavior. 

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.
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