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<title>Parabolic SAR - Extended</title>
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<h1 class="refname">trader_sarext</h1>
<p class="verinfo">(PECL trader >= 0.2.0)</p><p class="refpurpose"><span class="refname">trader_sarext</span> — <span class="dc-title">Parabolic SAR - Extended</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.trader-sarext-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>trader_sarext</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$high</code></span>
, <span class="methodparam"><span class="type">array</span> <code class="parameter">$low</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$startValue</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$offsetOnReverse</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$accelerationInitLong</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$accelerationLong</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$accelerationMaxLong</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$accelerationInitShort</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$accelerationShort</code></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$accelerationMaxShort</code></span>
]]]]]]]] )</div>
<p class="para rdfs-comment">
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.trader-sarext-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="term"><em><code class="parameter">high</code></em></span>
<dd>
<p class="para">
High price, array of real values.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">low</code></em></span>
<dd>
<p class="para">
Low price, array of real values.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">startValue</code></em></span>
<dd>
<p class="para">
Start value and direction. 0 for Auto, >0 for Long, <0 for Short. Valid range from <a href="trader.constants.html#constant.trader-real-min" class="link">TRADER_REAL_MIN</a> to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">offsetOnReverse</code></em></span>
<dd>
<p class="para">
Percent offset added/removed to initial stop on short/long reversal. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">accelerationInitLong</code></em></span>
<dd>
<p class="para">
Acceleration Factor initial value for the Long direction. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">accelerationLong</code></em></span>
<dd>
<p class="para">
Acceleration Factor for the Long direction. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">accelerationMaxLong</code></em></span>
<dd>
<p class="para">
Acceleration Factor maximum value for the Long direction. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">accelerationInitShort</code></em></span>
<dd>
<p class="para">
Acceleration Factor initial value for the Short direction. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">accelerationShort</code></em></span>
<dd>
<p class="para">
Acceleration Factor for the Short direction. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">accelerationMaxShort</code></em></span>
<dd>
<p class="para">
Acceleration Factor maximum value for the Short direction. Valid range from 0 to <a href="trader.constants.html#constant.trader-real-max" class="link">TRADER_REAL_MAX</a>.
</p>
</dd>
</dt>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.trader-sarext-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">Returns an array with calculated data or false on failure.</p>
</div>
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