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原文链接: https://www.brookstradingcourse.com/ask-al/outside-bars-significance/ 生成时间: 2026-09-02 16:00
Significance of outside bars BPA trading room Q&A: August 17, 2015
外包线的重要性——BPA交易室问答，2015年8月17日
Question: What’s the significance of outside bars like 5, 7, and 29? Video duration: 2min 54sec
问题：像5号、7号和29号K线这样的外包线有什么意义？视频时长：2分54秒
You can also view this video on Al’s YouTube Channel if needed.
如果需要，你也可以在Al的YouTube频道上观看这段视频。
Context important
上下文很重要
Outside bars — I talk about them in the books and the video. They only have meaning if the context is good. If the bar before is a logical buy signal bar, then the outside bar is an entry bar. If an outside bar occurs in a tight trading range–bar 29–they are meaningless. What’s important with bar 29? You have a big bear bar closing on its low in a very strong bull trend. Traders will buy that close — whether or not it’s outside down. Bar 14 and 29, it’s identical, even though 29 is an outside bar; it did not go above 28, but it’s basically an outside bar. It’s a type of outside bar, okay? To me, 29 and 14 are identical even though 14 was not an outside bar. What they are is a big bear bar closing near its low in a very strong bull trend. It’s an attempt at a bear reversal . Traders will buy that close.
外包线——我在书和视频里都提到过它们。它们只有在上下文良好的情况下才有意义。如果前一根K线是合理的买入信号K线，那么外包线就是入场K线。如果外包线出现在窄幅交易区间内（如29号K线），它们就没有意义。29号K线的重要性在哪里？你看到一根大阴线在强劲的多头趋势中收于低点附近。交易者会买入这个收盘价——无论它是否是向下外包。14号K线和29号K线是一样的，尽管29号K线是外包线；它没有突破28号K线，但基本上属于外包线。这是一种外包线类型，明白吗？对我来说，29号和14号K线是一样的，尽管14号K线不是外包线。它们都是一根大阴线，在强劲的多头趋势中收于低点附近，试图进行空头反转。交易者会买入这个收盘价。
Overall price action important
整体价格行为很重要
So to me, 29 is not important as an outside bar. It’s important as a bear bar, an attempt at a reversal, and a chance it will probably fail. Then bar 5 I felt was not particularly important because 4 was not a good buy signal bar. If 4 closed on its high, then 5 outside up would be important. And if 5 closed on its high, it would be important, like bar 7, outside up — to me, you got a failed low 2, you have an expanding triangle, you have a second entry. The single most important thing that took place here, the second entry buy below yesterday’s low, or breakout below yesterday’s low — tried to reverse up 2, failed, tried to reverse up 4 — better than a 50/50 chance we’re going higher. Plus the overall picture; we’re at the bottom of a three-day trading range after a very strong bull trend, so all of that increased the chances that 7 was going to be the start of a move up.
所以对我来说，29号K线作为外包线并不重要。它重要的是作为一根阴线，试图进行反转，且很可能失败。然后我认为5号K线并不特别重要，因为4号K线不是一个好的买入信号K线。如果4号K线收于高点，那么5号K线的向上外包就会很重要。如果5号K线收于高点，就像7号K线的向上外包一样，对我来说，你有一个失败的低点2，有一个扩张三角形，有一个第二个入场点。这里发生的最重要的一件事是，第二个买入入场点位于昨日低点下方，或突破昨日低点下方——试图向上反转2，失败了，试图向上反转4——我们上涨的概率大于50%。此外，整体情况是，我们处于强劲多头趋势后的一个三日交易区间底部，所以所有这些都增加了7号K线将成为上涨起点的可能性。
Nothing 100% But not always, sometimes you get these outside bars, we had one last week [that] didn’t get very far: bar 26 here. There was another day last week. I don’t know if I can find it — because usually when they fail, they just kind of disappear. Bar 8, Ok second failed breakup from below the day before, outside up, immediately reversed down. So, nothing is a hundred percent , and that’s a good example of how it can look good and the context can be good, and then it fails; it just reverses. So it wasn’t a failed breakup below yesterday’s low, it was a failed breakup below the 60-minute moving average. Very strong bull trend. We go outside up, a double bottom, possibly a wedge — one, two, three — a wedge opening reversal, 60-minute moving average, but you need follow-through, and that’s your follow-through. That’s bad. Al Brooks Information on Al’s Online day trading room
没有什么是100%确定的，但有时候你会遇到这些外包线，上周我们就遇到了一根走不远的外包线：这里的第26号K线。上周还有另外一天。我不知道我是否能找到它——因为通常当它们失败时，它们就会消失。第8号K线，好的，这是第二次从前一天的下方突破失败，外包向上，立即反转向下。所以，没有什么是百分之百确定的，这就是一个很好的例子，说明它看起来可能不错，背景也可能不错，但随后它就失败了；它只是反转了。所以这并不是昨日低点下方的突破失败，而是60分钟均线下方的突破失败。非常强劲的多头趋势。我们外包向上，形成双底，可能是一个楔形——一、二、三——楔形开盘反转，60分钟均线，但你需要后续跟进，这就是你的后续跟进。这很糟糕。阿尔·布鲁克斯关于阿尔在线日间交易室的信息
Nothing 100%
没有什么是100%确定的
But not always, sometimes you get these outside bars, we had one last week [that] didn’t get very far: bar 26 here. There was another day last week. I don’t know if I can find it — because usually when they fail, they just kind of disappear. Bar 8, Ok second failed breakup from below the day before, outside up, immediately reversed down. So, nothing is a hundred percent , and that’s a good example of how it can look good and the context can be good, and then it fails; it just reverses.
但情况并非总是如此，有时你会遇到这些外包线，上周我们就遇到了一根走不远的外包线：这里的第26号K线。上周还有另外一天。我不知道我是否能找到它——因为通常当它们失败时，它们就会消失。第8号K线，好的，这是第二次从前一天的下方突破失败，外包向上，立即反转向下。所以，没有什么是百分之百确定的，这就是一个很好的例子，说明它看起来可能不错，背景也可能不错，但随后它就失败了；它只是反转了。
So it wasn’t a failed breakup below yesterday’s low, it was a failed breakup below the 60-minute moving average. Very strong bull trend. We go outside up, a double bottom, possibly a wedge — one, two, three — a wedge opening reversal, 60-minute moving average, but you need follow-through, and that’s your follow-through. That’s bad.
所以这并不是昨日低点下方的突破失败，而是60分钟均线下方的突破失败。非常强劲的多头趋势。我们外包向上，形成双底，可能是一个楔形——一、二、三——楔形开盘反转，60分钟均线，但你需要后续跟进，这就是你的后续跟进。这很糟糕。
Al Brooks
阿尔·布鲁克斯
Information on Al’s Online day trading room
关于阿尔在线日间交易室的信息