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科技亢奋行情下的冷思考

  • 2026-06-19 19:44:42
科技亢奋行情下的冷思考
A股目前的科技股已经进入了非常亢奋的节奏,波动极大,常常是大跌一天大涨一天,且跟美股的相关性也较大。对于一个相对保守的投资者而言,从传统估值角度是无法参与其中的,有人把这类传统的价值投资者称为老登,那么当前的老登们正在面对的就是这样的现实困境。

1、这是一个什么样的市场

1)估值已无法用常规语言表述:科创50PE大约150–170倍,处于历史90%+分位;中证全指PE约23倍,处于历史80%+分位;电子、计算机、通信等TMT板块PE/PB基本都在历史85%分位以上。如果把它们和美股相关个股做对比:A股的半导体/AI 龙头PE常常是美股同行的3–5倍,而盈利质量、现金流明显更弱。

2)波动巨大、跟美股高度联动,科创50 单日 ±4%–5% 已经是常态,部分半导体个股日内振幅 7–10% 并不罕见

3)A股内部极致分化:5% 的龙头在涨,95% 的股票没人理。全市场成交额前 5% 的热门科技股,吸走将近一半资金;大量中小科技股流动性枯竭;真正有订单、有业绩的算力/半导体设备龙头,和纯概念炒作的“伪科技”,走势完全两极分化


2、极致的行情演绎出的极致焦虑

面对这种行情,焦虑不可避免,但核心思路不是逼自己去适应这样的市场,而是在怎么守住能力圈的同时,寻找一种“进可攻,退可守”的折中方案,把焦虑转化为具体的策略。这里给两出两个探讨性的建议:

1)、心态与认知的重构。这是最重要的一步,如果心态不稳,任何策略都会在执行中变形。你必须坦然接受“看不懂的钱不赚”的原则,投资是一场超长的马拉松,比的不是某一程跑得有多快,而是能坚持自己的节奏不摔倒。接受踏空,是成熟投资者的必修课。

2)其次,你需要重新定义何为参与:参与不等于押注个股。把你资产的5%-10% 配置到科技主题,它涨了,你有参与感;它大跌了,因为仓位极轻,对总资产影响微乎其微,甚至还能补仓。这就解决了完全踏空的心理焦虑。

3)关于选股,仓位等问题,其实和之前并无二致,只不过方向上可能需要更加聚焦,整个AI和科技浪潮,最终都离不开算力芯片、存储、半导体材料、工业软件等底层基础设施,它们的商业模式更稳定,有实打实的业绩支撑,估值相对会好理解一些。

至于是定投还是行业ETF,因人而异,适合自己的才是最好的。我们来这个市场,目的是什么很重要,不管用什么样的方式,只要是能够有助于达成稳健持续盈利目标的,我认为都是好的。


4、写在最后

说实话,也不是每个人都必须去参与AI,参与科技的多数人也并没有赚到钱,甚至亏损都众多。如果你始终就是个稳健的保守派,就好好地守着自己的城池好了,要实在受不了,顶多派一支纪律严明的小股侦察部队出去。这样,科技股的浪潮无论最终是冲向星辰大海,还是拍在沙滩上,你都能立于一个相对主动的位置。

(全文完)

本文仅为知识科普/行业解读,不构成任何投资建议;投资有风险,入市需谨慎。

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  1. CONNECT:[ UseTime:0.000599s ] mysql:host=127.0.0.1;port=3306;dbname=no_mfffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000823s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002196s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.003353s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000618s ]
  6. SELECT * FROM `set` [ RunTime:0.009635s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000802s ]
  8. SELECT * FROM `article` WHERE `id` = 553605 LIMIT 1 [ RunTime:0.000479s ]
  9. UPDATE `article` SET `lasttime` = 1781869578 WHERE `id` = 553605 [ RunTime:0.017207s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.031849s ]
  11. SELECT * FROM `article` WHERE `id` < 553605 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.008820s ]
  12. SELECT * FROM `article` WHERE `id` > 553605 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000512s ]
  13. SELECT * FROM `article` WHERE `id` < 553605 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.019467s ]
  14. SELECT * FROM `article` WHERE `id` < 553605 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.048513s ]
  15. SELECT * FROM `article` WHERE `id` < 553605 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.053792s ]
0.265827s