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    2.  首页 股票学校 股票入门 选股 买入 看盘 跟庄 短线 炒股技巧 技术指标 k线图 MACD 均线 成交量 股票书籍 股票视频 网站导航

      767股票学习网 > 股票学校 > 美股 > 正文

      美股和A股的区别

        很多国内A股股民为了满足资产配置全球化的需要开始了解美股,投资A股的经验能否用到美股呢,两者又有哪些区别。

        美股和A股的区别

        1、涨跌停制度区别

        中国实行的涨停板制度,对日交易波动设置上下限的控制,对交易的自由度产生了一定程度的限制,而美国一般不停盘,对于股价不进行干预。比如,被媒体热炒的软银收购ARM,当时ARM股价日涨幅高达40%!又比如Juno医疗在临床试验时造成3位病人死亡,被FDA紧急中止疗法,当日公司股价暴跌30%。

        因此操作美股需要投资者对手中的股票有比较深刻的了解,并且充分理解该股票底层公司的风险点以提前预知暴跌的情况。

        推荐:国内在线开户直接买美股港股

        2、股市监管差异较大

        A股市场建立较晚,相关的制度和体系还在完善中,市场上也充斥着概念股和题材股,比如曾经的多伦股份因更名为“匹凸匹”,股价在10个交易日中翻倍。

        因此,大多数投资者的经验都是最近什么题材炒的火就买什么。投资者虽然省去了个股和行业研究的功夫,但中国的散户也成为了全球知名的“韭菜”,这里面饱含了中国股民的无力与心痛。

        而美股市场经历了200年的经验累积,形成了非常严格的监管制度,对上市公司造假、内幕交易等行为打击严厉。严格的监管体系对上市企业造成了巨大威慑,高昂的违法成本使得股市违规操作行为大大减少,有效地保护了股市中最脆弱的群体——个人投资者的利益。所以,如果投资者认真研究,对自己手中的股票有充分了解,大多数时候都能获得不错的收益。

        最近的案例就是德意志银行通过操控LIBOR(伦敦银行同业拆借利率)获得巨额收益,2015年4月,美国和英国的金融监管机构对德意志银行处以创纪录的25亿美元的罚款。今年年初,德意志银行宣布公司2015年的亏损达到68亿美元,今年股价下跌了55%,被媒体评为下一个雷曼兄弟。

      美股和A股的区别

        3、市场资金构成不同

        中国股市以散户为主,我国专业机构投资者持有已上市流通A股市值占比很低,而全国社保基金、保险公司和企业年金三类典型的长期投资者持有的已上市A股流通市值占比就更低了。羊群行为等非理性行为在A股市场上表现得尤为突出,也导致了A股波动较美股大。

        美国股市是完全由机构主导额市场,数量庞大的养老金,捐赠基金,大学基金,对冲基金和各种投资公司构成了美国资本市场的主体。根据北美证券管理协会(NASAA)提供的统计数据显示,美国股票市场上机构投资者完成的交易量占到每天成交量的95%以上。在全美最大的1000家公司中,机构投资者的持股比例近几年已经攀升到了73%。

        4、美股做空工具很多

        美股拥有很多的做空工具,因此即使在长期持有股票的过程中也有进行对冲的工具,而A股类似工具的缺失,只能形成A股今天短炒而不能价值投资的命运。以看跌期权为例,在中国来说可能是新事物,但是在美国却很常见的对冲工具,因此在市场下跌的时候,如果投资者手中持有看跌期权,那么就不用一时冲动卖掉手中基本面不错的股票,这样投资的时限被拉长,有利于价值投资。
        
        除了可以进行价值投资之外,投资者也可以通过做空个股获利,比如媒体对于苹果销量下滑的事实在去年年底就有报道,如果投资者经过研究认为这确实是苹果面临的一个问题,从去年年底做空苹果的话,到1月底的话将有11.3%的回报。

        还有百度的魏则西事件,爆发的时间是四月底,到五月初继续发酵,如果投资者那是做空百度的话,做空的收益可能在15%-20%之间。

        但是裸做空面临的风险非常大,所以大家决定做空时一定要慎重。

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