给joy111的《W.d. Gann Master Commodities Course(pdf)》

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连续数天收在同一水平
Watch the closing price of an option after a prolonged decline or a prolonged advance.
注意一轮持久上涨或者持久下跌后的收盘价。
If an option closes for a series of days around the same level, it is an indication that it is receiving support or meeting resistance around this level. Then the first day that it closes above or below this series of closings, it will be an indication of a change in trend and you should go with it.
如果行情连续数天收在同一水平周围，那就预示行情在这一级水平的遇到支撑或者强大的阻力。然后在首日收盘在这几天收盘价上面或者下面，那就暗示趋势将改变，你应该随之而上。

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学习,谢谢