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Thread: 各种技术形态分析十四

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    Default 各种技术形态分析十四

    技术指标抛物式转向

       抛物式转向(SAR)抛物式转向又称止损点操作系统。是利用抛物线原理随时调整止损点位置的工具,由于组成该线的止损点是以弧形方式移动,所以又称抛物线指标。SAR在图形和运用上很象移动平均线,都属于价格和时间并重的分析工具。

      计算方法:

       (a)选定某段时间判断为上升或下跌。

       (b)如看涨,则第一天的SAR值必须是近期内的最低价;如看降,则第一天的SAR值必须是近期内的最高价。

       ?第二天的SAR值求得方法,将第一天的最高价(看涨时)或最低价(看降时)与第一天的SAR的差距乘以调整系数,再加上第一天的SAR即可。以此类推计算SAR值。其公式:

       SAR(n)=SAR(n-1)+AFX[EP(n-1)-SAR(n-1)]。

       SAR(n):第n天的SAR值。

       SAR(n-1):第(n-1)天的SAR值。

       AF:调整系数。

       EP:极点价。

       如是看涨一段时间,EP为这段时间的最高价、如是看降一段时间,EP为这段时间的最低价。

       (d)EP(n-1)为第(n-1)天的EP。

       (e)第一个调整系数AF为0.02,如每隔一天的最高价比前一天的最高价还高,则AF递增0.02,如无新高则沿用前一天的数值,但调整系数不超过0.2。

       (f)如是买进期间,计算出某日的SAR比当天或前一天的最低价还高,计算某天的SAR比当天或前一天的最高价低,则应以当天或前一天的最高价为某天的SAR。

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    抛物式转向在市场头底部形成概率是比较大的,但是也有很多v行反转的形态,特别是在小周期中。

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    领教 领教 楼主辛苦了

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    抛物式转向又称止损点操作系统

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    抛物式转向又称止损点操作系统

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