短中长kdj指标公式-短中长 KDJ 指标公式

KDJ 指标说白了，就是那个老生常谈的“水波纹”。你那会儿在股票软件里看到过，那是一团乱窜的折线，红绿交叉，上下起伏，看着就让人头大。
实际上它的底层逻辑挺好办，就是测一个东西——那就是“超买”和“超卖”。当 K 线收出来，K 线要是是空的，那就意味着啥？意味着压力没了，要么说是空间打开了。
这时候再去打 KDJ，K 线要是收在 80 以上，那根本就是水花忒吓人，大家都当作要涨了，结局呢？往往是“水忒深，越跳越没力”，这水忒深，连鱼儿也跳不上去。
这时候就得赶紧警惕，别真当作那是蓄势待发，往往是主力在悄悄出货，散户跟着一起乱操作。
反之，当 KDJ 数值跌到 20 以下，那叫啥呢？这叫“水忒浅”，就连能够说是“没水”了。
这时候再要买，那是典型的接盘。 为啥 KDJ 如此招人烦？出于它的节奏感忒怪了。它不像均线那样稳，也不像 MACD 那样稳重，它就像个情绪探测器，有时候反应极快，待会儿 80，待会儿 20。对于刚入门的新手来说，看着那根 KDJ 线在 80 和 20 之间横跳，心里难免会乱。
特别是当它和 K、J 线交汇的时候，这就成了大杀器。
比如历史上好多股在 80 和 20 之间来回横冲直撞，最终突然来个“跳水”，然后一路长红。
这时候大量人认定“天哪，它还没死呢，要反转了”，结局哪位懂啊，这只是个诱多，买进去就真是一路跌到底，就连跌停。
故此啊，KDJ 这东西啊，就得学会“识破伪装”。 那如何才算真正读懂了它的用法呢？我认定不能光看死数字，得看“情绪”和“位置”结合。刚刚说的 80 和 20，那是位置。
要是股价本来就挺烂，在 300 点下面，这时候 KDJ 去探底，探到底了，那确实是个深坑。
这时候进去，那是找死啊，绝对要跑。
反之，要是股价在高位，比如 9000 点，KDJ 突然去探顶，探到极限了，那才是真真正的“水忒深”。
这时候进去，大约率就是接聚拢营。
你看大量股都是这样，高位 KDJ 探顶，反而好办发动一波大 Bear 潮。
故此啊，KDJ 就是个“裁判员”，它负责告诉你目前的市场情绪是不是到了极限。情绪到了极限，要么崩盘，要么反转。但你得自己定那个线，不能让它来教你做人。 再说说那三个指标线之间的配合。K 线是基础，它代表了当下的价格动作。J 线是速度，它反映了成交量的爆发力。K 线是动能，它代表了价格的趋势方向。
这三者混在一起，就像是一个复杂的机械装置。
要是你只看 K 线，那是单兵作战，挺好办走火入魔。
要是你只看 J 线，那是光看速度，不看方向，也挺好办搞错。
只有 K、J、KDJ 三者一起用，那个画面才真。
比如你看 K 线跌破了 20 的支撑位，这时候 J 线突然启动拐头向上，并且成交量在放大，那这说明啥？说明空头力量被击溃了，多头进场了，哪怕 KDJ 数值还在 20 以下，那也是一种“回光返照”的信号。
这时候能够略微留点底仓，等 KDJ 数值反应过来。 举个例子吧，前几天有个小票，股价一直在 5 块钱附近横盘。
这时候 KDJ 数值一直在 80 到 90 之间搅动，红绿针都在往上窜，看起来像极了要突破的态势。结局第二天开盘，KDJ 瞬间就跳水，K 线也跌破了 20，股价也跟着跌。
第二天下午，KDJ 启动慢慢爬回 60 左右，K 线也没如何动，股价持续往下。
第三天，KDJ 终于坐上了 80 的宝座，J 线更是长了一根大针，那架势说要起飞。结局呢？第二天直接跌停板。
你看，这就是典型的“高位水花”。
那时候大量人看到 KDJ 上去了，就忍不住手痒，赶紧去追。结局呢，买的人忒多了，买哪位都买不到，只能眼睁睁看着股价跌穿平台。
这时候要是你不赶紧撤退，那不叫投资，那叫自杀。 还有啊，KDJ 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