When an option makes the same price level a few days apart, it makes what we call a double bottom on the Trend Indicator.
当一段行情相隔数天处于同一价格水平时，在趋势指示上我们把它叫双底。
When an option makes the same price level a few days apart, it makes what we call a double bottom on the Trend Indicator.
当一段行情相隔数天处于同一价格水平时，在趋势指示上我们把它叫双底。
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