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Support & Resistance 支撑阻力

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Page 1 of 5Support & Resistance 支撑阻力

Support & Resistance

Support and resistance is one of the most widely used concepts in forex trading. Strangely enough, everyone seems to have their own idea on how you should measure forex support and resistance.

Let’s take a look at the basics first.

Forex Support and Resistance Explained

Look at the diagram above. As you can see, this zigzag pattern is making its way up (bull market). When the forex market moves up and then pulls back, the highest point reached before it pulled back is now resistance.

As the market continues up again, the lowest point reached before it started back is now support. In this way, resistance and support are continually formed as the forex market oscillates over time. The reverse is true for the downtrend.

Plotting Forex Support and Resistance

One thing to remember is that support and resistance levels are not exact numbers.

Often times you will see a support or resistance level that appears broken, but soon after find out that the market was just testing it. With candlestick charts, these “tests” of support and resistance are usually represented by the candlestick shadows.

Forex Support and Resistance | Support holding at 1.4700

Notice how the shadows of the candles tested the 1.4700 support level. At those times it seemed like the market was “breaking” support. In hindsight we can see that the market was merely testing that level.

So how do we truly know if support and resistance was broken?

There is no definite answer to this question. Some argue that a support or resistance level is broken if the market can actually close past that level. However, you will find that this is not always the case.

Let’s take our same example from above and see what happened when the price actually closed past the 1.4700 support level.

Forex Support and Resistance | Support holds at 1.4700

In this case, price had closed below the 1.4700 support level but ended up rising back up above it.

If you had believed that this was a real breakout and sold this pair, you would’ve been seriously hurtin’!

Looking at the chart now, you can visually see and come to the conclusion that the support was not actually broken; it is still very much intact and now even stronger.

To help you filter out these false breakouts, you should think of support and resistance more of as “zones” rather than concrete numbers.

One way to help you find these zones is to plot support and resistance on a line chart rather than a candlestick chart. The reason is that line charts only show you the closing price while candlesticks add the extreme highs and lows to the picture.

These highs and lows can be misleading because often times they are just the “knee-jerk” reactions of the market. It’s like when someone is doing something really strange, but when asked about it, he or she simply replies, “Sorry, it’s just a reflex.”

When plotting support and resistance, you don’t want the reflexes of the market. You only want to plot its intentional movements.

Looking at the line chart, you want to plot your support and resistance lines around areas where you can see the price forming several peaks or valleys.

Line chart showing forex support and resistance zones

Other interesting tidbits about forex support and resistance:

  • When the price passes through resistance, that resistance could potentially become support.
  • The more often price tests a level of resistance or support without breaking it, the stronger the area of resistance or support is.
  • When a support or resistance level breaks, the strength of the follow-through move depends on how strongly the broken support or resistance had been holding.

Examples of forex support and resistance

With a little practice, you’ll be able to spot potential forex support and resistance areas easily. In the next lesson, we’ll teach you how to trade diagonal support and resistance lines, otherwise known as forex trend lines.

支撑和阻力



“支撑与阻力”是交易中运用最广的概念之一。很奇怪的是,关于怎样决定“支撑和阻力”的问题,每个人似乎都有自己的想法。
首先看一下基础知识。

 

       正如你从图中所见,这个“之”字型的图构成了上升市场(牛市)。当市场上升然后回落的时候,在它回落之前所达到的最高点就是目前的阻力。


      随着市场的不断回升,在市场开始上升之前所达到的最低点就是目前的支撑。这样,阻力和支撑就是随着市场经过一段时间的振荡而不断形成的。


画出的支撑和阻力


      有一点要记住的是,支撑和阻力水平 是不准确的数字 

      你经常会看到支撑或阻力位出现突破,但是不久后就发现这只是市场在测试它。这些支撑和阻力的“测试”通常由蜡烛的影线部分来表示。

 

       注意蜡烛的影线是如何测试了1.4700这个支撑水平的。在那段时间,好像是市场在“打破”支撑位,但是事后回想起来,我们明白那只是市场在进行位置测试。


所以,我们该如何辨认支撑和阻力是否被打破呢?

     对于这个问题,没有明确的答案。有人认为, 如果价格的收盘价能完全突破以前的位置,那么就打破了支撑和阻力位。然而,你会发现事实并非总是如此。

 

      我们从上面的例子看到,当价格的收盘价在跌破之前的1.4700的支撑位的时候,发生了什么事呢?在这种情况下,
价格都在跌破 1.4700支撑位后收盘,但是又升破1.4700的支撑位继续上升了。

      如果你曾认为这是个真正的突破并且出售了该货币对,那么你就亏大了。

      现在看一下图表,你可以得出结论:支撑没有真正被打破,它一直很完整,现在甚至更强劲了。当你学会辨认
这些假突破,您应该会将支撑和阻力考虑为一个“区域”,而不是具体的数字。

      有一种方法可以帮助你找到这些区域,就是在折线图画出支撑和阻力,而不是在烛柱图。原因是折线图只显示你的收盘价,而灯柱图在这幅图上增加了开盘价、最高价和最低价。

      尤其是
最高价和最低价可能会误导你们,因为它们通常只是市场的“自然”反应。这就像当有人做一些真正古怪的事,当人们问他的时候,他或她只是简单的回答说:“对不起,它只是一个习惯的自然反应。”


      当标示支撑和阻力位的时候,你不会想要在乎市场的自然反应,你只想画出它的真正趋势。

      看看这个折线图,你会在因价格形成的几个尖峰和低谷的区域周围画出支撑和阻力线。


 

其他有关支撑和阻力的要点

• 价格经过阻力的时候,阻力可能成为支撑。
• 价格越是在多次测试它的情况下
没有突破位置,该阻力和支撑的区域就越强。
• 当一个强劲的支撑和阻力位确认被突破的时候,就会反转为强劲的
阻力支撑


 
       经过一定的练习,你就能很容易发现潜在的支撑和阻力区域,。在接下来的课程中,我们将教你如何用对角支撑和阻力线做交易,或者叫做趋势线。

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