Very simply, the trailing stop maintains a stop-loss order at a precise percentage below the market price (or above, in the case of a short position).

很简单，尾随停止保持停损为了一个准确的百分比低于市场价格(或以上，在很短的立场)。

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To read more, see The Stop-Loss Order: Make Sure Your Use It, A Logical Method Of Stop Placement and Trailing-Stop Techniques.

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If we talk about support levels real quick, I think with these indicators proving to be less reliable in turbulent markets, I personally have relied heavily on using trailing stop-loss orders, as I mentioned, as well as indicators like volume, price performance, and support levels.

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For risk management, consider something along the lines of a 15-20% trailing stop.

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