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article------>{"id":32,"cid":3,"subCid":"","title":"通达信如何编写求均线斜率的公式","shortTitle":"","tagId":"6,5,3","attr":"","articleView":"","source":"","author":null,"description":"介绍两个与角度、斜率相关的通达信函数ATAN、SLOPE,并探讨编写均线斜率大于45度的通达信指标公式。这里说的均线斜率,实际上是均线的角度。","img":"//img.foryet.com/uploads/2026/003.jpg","content":"<p>今天介绍两个与角度、斜率相关的通达信函数ATAN、SLOPE,并探讨编写均线斜率大于45度的通达信指标公式。这里说的均线斜率,实际上是均线的角度。</p>\n<h2 id=\"h0\">一、ATAN函数</h2>\n<p>含义:求反正切值</p>\n<p>使用方法:ATAN(X)获得X的反正切值,求得的反正切值是弧度制,为了方便理解,一般会转换成角度制。1弧度=180/π,约等于57.3度。π约等于3.14115926,编写指标的时候,换算一般写为180/3.14115926。</p>\n<p>根据斜率的定义,直线对x轴的倾斜角的正切值tanθ为该直线的斜率。如果我们知道了正切值tanθ,通过反正切函数ATAN就可以求得θ的角度。θ角度的取值范围在(-90°,90°)度之间。</p>\n<p>但是在交易软件上,x轴是周期,y轴是价格,x、y值单位不同,没有可比性。我们通过下面两张图,可以发现问题所在。对于同样一段行情,当这一段行情放大的时候,我们一眼看上去,均线角度可能是45°。如果把这一段行情缩小,均线的角度发生了明细的变化,显然大于45°。这样均线的角度就没有意义,因为会随着K线图的放大缩小而产生变化。</p>\n<pre><code class=\"hljs language-css\"><span class=\"hljs-number\">1</span><span class=\"hljs-selector-class\">.MA5</span>:=<span class=\"hljs-built_in\">MA</span>(C,<span class=\"hljs-number\">5</span>);\n<span class=\"hljs-number\">2</span><span class=\"hljs-selector-class\">.ZF</span>:=(MA5/<span class=\"hljs-built_in\">REF</span>(MA5,<span class=\"hljs-number\">1</span>)-<span class=\"hljs-number\">1</span>)*<span class=\"hljs-number\">100</span>;\n<span class=\"hljs-number\">3</span><span class=\"hljs-selector-class\">.JD</span>:<span class=\"hljs-built_in\">ATAN</span>(ZF)*<span class=\"hljs-number\">180</span>/<span class=\"hljs-number\">3.14115926</span>;\n</code></pre>\n<p>使用通达信编程语言编写均线的角度,常见的做法是用均线的涨跌幅来近似替代正切值tan,</p>\n<pre><code class=\"hljs language-css\">ZF:=(MA5/<span class=\"hljs-built_in\">REF</span>(MA5,<span class=\"hljs-number\">1</span>)-<span class=\"hljs-number\">1</span>)*<span class=\"hljs-number\">100</span>;\n</code></pre>\n<p>当均线涨幅为1%,ZF等于1,这时候求得的角度JD就是45度。但是每天的涨幅是有极限的,以主板涨停10%为例,即使连续涨停,ZF的最大值也就是10,计算得到JD最大值84.289。</p>\n<p>把指标加载到副图进行验证,可以看到JD的最大值基本上在80多,确实如我们所料。</p>\n<p>这样,均线角度大于45度的公式就可以写出来了。</p>\n<pre><code class=\"hljs language-css\"><span class=\"hljs-number\">1</span><span class=\"hljs-selector-class\">.MA5</span>:=<span class=\"hljs-built_in\">MA</span>(C,<span class=\"hljs-number\">5</span>);\n<span class=\"hljs-number\">2</span><span class=\"hljs-selector-class\">.ZF</span>:=(MA5/<span class=\"hljs-built_in\">REF</span>(MA5,<span class=\"hljs-number\">1</span>)-<span class=\"hljs-number\">1</span>)*<span class=\"hljs-number\">100</span>;\n<span class=\"hljs-number\">3</span><span class=\"hljs-selector-class\">.JD</span>:=<span class=\"hljs-built_in\">ATAN</span>(ZF)*<span class=\"hljs-number\">180</span>/<span class=\"hljs-number\">3.14115926</span>;\n<span class=\"hljs-number\">4</span><span class=\"hljs-selector-class\">.XG</span>:JD><span class=\"hljs-number\">45</span>;\n</code></pre>\n<p><img src=\"//img.foryet.com/uploads/2026/0830_49714793554_mceclip0.png\" style=\"display: block; margin-left: auto; margin-right: auto;\"></p>\n<h2 id=\"h1\">二、SLOPE函数</h2>\n<p>除了用ATAN来计算角度、斜率,还有另外一个函数SLOPE。</p>\n<p>使用方法:SLOPE(X,N) 获得线性回归斜率</p>\n<pre><code class=\"hljs language-css\"><span class=\"hljs-number\">1</span><span class=\"hljs-selector-class\">.MA5</span>:=<span class=\"hljs-built_in\">MA</span>(C,<span class=\"hljs-number\">5</span>);\n<span class=\"hljs-number\">2</span><span class=\"hljs-selector-class\">.XL</span>:<span class=\"hljs-built_in\">SLOPE</span>(MA5,<span class=\"hljs-number\">5</span>);\n</code></pre>\n<p>线性回归斜率,可以简单理解为根据模型拟合出一条直线,计算这条直线的斜率。SLOPE(MA5,5)就是取最近5日的MA5值,然后拟合出直线,计算斜率。因为取的最近5日,所有反应会相对迟钝,5日均线刚刚向上拐头的时候,计算的斜率可能还是负的。</p>\n<p>这个SLOPE函数感觉有问题,计算出的斜率竟然和股价有关系,股价高计算出的斜率数值比较大,股价低计算出的斜率数值比较小,这样没有统一的比较基准,使用起来很不方便。如果用来表示均线是向上还是向下还可以用用,但是如果用来计算均线的角度,那就用不了了。</p>\n<p>当然我可能对这个函数有误解,欢迎提出问题,交流探讨。</p>\n<p> </p>\n<p> </p>\n<div class=\"column is-12\" style=\"text-align: center;\"> </div>","status":0,"pv":145,"link":"","createdAt":"2026-01-26T17:13:10.000Z","updatedAt":"2026-01-26T17:13:10.000Z","likes":null,"field":{}}
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