如果是个指标，为什么20%就是差不多的时候了呢？
only a threshold. i attach a web which i favor
stockchart.com
anyway, i still think that all TA got many tradeoffs, and can only function somehow well, with a solid economy fundamental and trend. personally, i only refer MACD and RSI to see the shor-term trend and over-bought/sold.
anyway, i still think that all TA got many tradeoffs, and can only function somehow well, with a solid economy fundamental and trend. personally, i only refer MACD and RSI to see the shor-term trend and over-bought/sold.
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