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已更新 Bull/Bear Engulf High Low Lookup
Allows to specify the high and low look-back period for both Bullish and Bearish engulfing candles. In essence, it is an extension of the classical engulf pattern. By default lookback period is set to 3.
Can be used on any time-frame and any instrument. Previous candle is irrelevent.
An engulfing candle is defined as follows:
Bullish: Must trade BELOW prior candle LOW and close ABOVE prior candle HIGH
Bullish: Must trade ABOVE prior candle HIGH and close BELOW prior candle LOW
Can be used on any time-frame and any instrument. Previous candle is irrelevent.
An engulfing candle is defined as follows:
Bullish: Must trade BELOW prior candle LOW and close ABOVE prior candle HIGH
Bullish: Must trade ABOVE prior candle HIGH and close BELOW prior candle LOW
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Updated Commentary版本注释
New version with added features: 
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This version has been deprecated. Use the new version provided above.版本注释
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开源脚本
本着TradingView的真正精神，此脚本的创建者将其开源，以便交易者可以查看和验证其功能。向作者致敬！虽然您可以免费使用它，但请记住，重新发布代码必须遵守我们的网站规则。
免责声明
这些信息和出版物并不意味着也不构成TradingView提供或认可的金融、投资、交易或其它类型的建议或背书。请在使用条款阅读更多信息。