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第 8 课 / 共 12 课3:523 出处

移动平均线（SMA / EMA）及其用法

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主讲：Nour阿拉伯语讲解，配有字幕。更多语言即将推出。

教育内容，不构成投资建议。Nour 讲解市场如何运作，从不告诉你该买什么或卖什么。

本课的完整中文翻译即将上线，你现在看到的是英文版。

A moving average smooths price to show the underlying direction.

  • SMA: sum of closes over N periods divided by N (100, 102, 104, 106, 108 → 104).
  • EMA gives more weight to recent prices, so it reacts faster; longer periods are smoother but lag more.
  • Uses: reading the trend (slope and price position), dynamic support/resistance, and crossovers such as the 50 crossing above the 200.
  • Moving averages lag by nature and fail often in sideways markets.
  • Keep one or two standard averages and use them as context, not as a trigger.

快速自测

三道题。选一个答案，查看原因。

0/3

  1. 1.Closes over 5 days: 100, 102, 104, 106, 108. The 5-period SMA is:

  2. 2.What is the main difference of the EMA?

  3. 3.Where do moving-average signals fail most often?

出处

本课中的每个事实都有以下出处支撑。

  1. 1.MetaTrader 5 Help — Moving AverageSMA and EMA calculation; latest prices weigh more in EMA; classic price-crosses-MA signal
  2. 2.CME Group Education — Understanding moving averagesEMA weights recent data; short MA crossing above long (e.g. 50 above 200) generally seen as bullish; 200 EMA as support; longer EMA = stronger support/resistance as a general rule
  3. 3.ASX — Shares course 11: Technical analysis (PDF)Larger period = smoother average; MA runs through the middle of a sideways market and should be applied to trending markets

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