如果广域市场指数结结实实地掉到200日移动平均线以下，则标志着市场将长期走跌。
When the broad market indices fall firmly below the 200-day average, it signals an extended bearish period ahead.
指数接下来必须在顾比复合移动平均线短期组上边缘的数值附近反复活动。
The index must continue to cluster near the value of the upper edge of the short term GMMA averages.
尽管美国股市温和反弹，VIX波动指数仍接近33%的水平，大大高于近23%，200天移动平均线是高架。
Despite the mild rally in US stocks, the VIX volatility index remained elevated near the 33% level, which is substantially above the 200-day moving average near 23%.
卖方们围看着标准普尔500指数的50天移动平均线，预测下一个交易日股指是否还会继续上涨。
Sellers crowded around the S&P 500's 50-day moving average for a third day.
计算MACD首先要选定移动平均线的初值，一般以起始日的收盘价作为指数平滑移动平均线（EMA）的初值。
Firstly select initial value of moving average to calculate MACD; we generally consider the close of beginning date as the initial value of EMA.
现在你已经更好的了解了指数移动平均线和简单移动平均线是怎样计算的，让我们来看一下他们的区别。
The simplest form of a moving average, appropriately known as a simple moving average (SMA), is calculated by taking the arithmetic mean of a given set of values.
现在你已经更好的了解了指数移动平均线和简单移动平均线是怎样计算的，让我们来看一下他们的区别。
Now that you have a better understanding of how the SMA and the EMA are calculated, let's take a look at how these averages differ.
需要注意的是，21期是指数移动平均线，5期是一个简单的移动平均线。
Note that the 21 period is an exponential moving average and the 5 period is a simple moving average.
指数移动平均线是一种给最近价格更多加权并使其更能应对最新信息的移动平均线。
The exponential moving average is a type of moving average that gives more weight to recent prices in an attempt to make it more responsive to new information.
通过观察指数移动平均线的计算，你会发现它更加强调最近的数据点，使其成为一种加权平均。
By looking at the calculation of the EMA, you will notice that more emphasis is placed on the recent data points, making it a type of weighted average.
通过观察指数移动平均线的计算，你会发现它更加强调最近的数据点，使其成为一种加权平均。
By looking at the calculation of the EMA, you will notice that more emphasis is placed on the recent data points, making it a type of weighted average.
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