V2EX ema

EMA

释义 Definition

EMAexponential moving average 的缩写,中文常译为指数移动平均线/指数平滑移动平均。它是一种技术分析指标,对近期价格赋予更高权重,因此相比简单移动平均线(SMA)对价格变化反应更快。(在不同领域里,EMA 也可能指其他缩写,但金融与交易语境中最常见的是这一义项。)

发音 Pronunciation (IPA)

/i m e/

例句 Examples

Traders often use the EMA to spot short-term trends.
交易者经常用 EMA 来观察短期趋势。

When the 12-day EMA crosses above the 26-day EMA, some analysts treat it as a bullish signal, though it can produce false alarms in choppy markets.
当 12 日 EMA 上穿 26 日 EMA 时,一些分析师把它视为看涨信号,但在震荡行情中也可能出现误导性的信号。

词源 Etymology

EMA 属于首字母缩略词,来自 Exponential Moving Average。其中 exponential(指数的)强调加权方式呈“指数衰减”,越新的数据权重越高。

相关词 Related Words

文学与作品 Literary Works

  • Technical Analysis of the Financial Markets(John J. Murphy)技术分析经典教材中常见 EMA 与其他均线的对比与用法。
  • Trading for a Living(Alexander Elder)讨论交易系统与指标时会涉及 EMA 等均线工具。
  • The MACD 相关著作与资料(Gerald Appel 等)MACD 指标基于不同周期 EMA 的差值构建,因而频繁出现该术语。
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