第52章 均线系统2(1 / 1)
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第52章均线系统2
因为均线形成往往需要多个交易日的数据,因此均线的滞后性也是一个逃不开的问题。面对这个问题,我和杜老师有点犹豫,要不要使用均线分析策略。
均线还有一些问题就是每天的收盘价都是等权重的。这就会导致过去几天的股价对未来的股价的影响都相同,但从我们的经验来看,越是临近的股价,其影响力越大,而很久以前的股价对于未来的预测力就应该不断的衰减了。此外还有一个问题是,以往的股票影响力是下降了,但是也不是完全没有影响了,均线系统只要最近的几日的收盘价,就会导致不停的把稍早前的股价剔除其分析范围内,这也让均线有了不少的逻辑不自洽之处。
还有如果要使用均线分析,就会导致我和杜老师的核心交易策略需要发生转变。从左侧交易向右侧交易转变。也就是我和杜老师原本打算富贵险中求,去博取那些超跌反弹的股票,虽然持有一段时间,但是还是尽量加快资金的周转速度,做类似刮头皮交易者,也借机多交易多总结经验。如果一上来就长线持有股票,犯错的可能性是下降了,但分析研究的股票种类和数量就会少很多,对于市场的敏锐度也会有影响。
均线更适合的是右侧交易,即坚持追涨。当均线开始显示股票开始上涨的时候,往往是股价上涨的初期。这个时候赌一把,虽然不一定次次都能成功,但是还是容易形成一定的盈利的。而且即使犯错,也有机会在较小的亏损情况下及时撤离。
不过我和杜老师发现,当前的股市里面很多股票的走势都存在趋同的情况。如果使用右侧交易,那么倒也不是赚不到钱,只是机会成本会非常高。因为大多数股票都有类型的走势,这就使得你选择某一个股票做右侧交易,往往你就需要将其他的股票都放弃掉,过去两个月已经有不少股票翻倍了。但如果你选的不是这些翻倍的股票,你会发现你的股票也有一定的涨幅,但是相比起来会少很多。
因此均线系统也许会让你发现一些进入上涨趋势的股票,不过不见得你的收益就会很可观。推升股价的因素绝对不只有均线这一个,或者说我们看到的均线只是间接的提示了我们一些信息,还有更多值得挖掘的东西在里面。
我和杜老师能想到的是:均线与k线的配合。当股价大幅度波动的时候,会对均线产生明显的影响,或者说带动均线开始出现变化。只有股价先出现变化,才能引发均线的变动;当股价运行在均线上方的时候,股价都对均线有拉升的作用;但当股价开始掉到均线下方的时候,股价开始牵制均线的上升。
如果没有先行者尝到股价上涨的甜头,就不会后来者追涨买入股票,推升股价的进一步上升。因此要用均线分析,就要看k线与均线的配合,去挖掘那些做局者,最真实的想法,以及他们的实力和运气是否真的能带动股价的上涨。
(本章完)