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AI智能体对这条新闻的看法
The panel agrees that the current high Shiller P/E ratio (CAPE) is a significant risk factor, with every prior reading above 30 presaging 20%+ drops in major indices. The key risk is earnings deceleration, potentially triggered by AI capex failing to deliver expected growth, wage inflation, higher input/interest costs, or weaker demand. The 'Trump Put' paradox and potential Fed policy errors also pose risks.
风险: Earnings deceleration
完整文章
Nasdaq
关键要点
从统计数据来看，道琼斯工业平均指数、标普500指数和纳斯达克综合指数在唐纳德·特朗普入主白宫期间的表现，优于大多数其他总统任期。
尽管历史性的能源供应链中断导致加油站价格上涨，但油价飙升并非华尔街最大的问题。
股票估值处于历史高位，加上美联储可能出现的动荡，可能是引发股市崩盘的潜在因素。
- 我们更看好的10只股票，而非标普500指数 ›
统计数据不会说谎：股市在唐纳德·特朗普执政期间表现优异。
尽管基准标普500指数（SNPINDEX: ^GSPC）或标志性的道琼斯工业平均指数（DJINDICES: ^DJI）在过去33个总统任期（可追溯至19世纪90年代末）中有26个实现上涨，但特朗普总统第一个任期内观察到的涨幅属于任何总统中最好的之一。道指、标普500和纳斯达克综合指数（NASDAQINDEX: ^IXIC）在其第一个任期内分别飙升了57%、70%和142%。
人工智能会创造世界上第一位万亿富翁吗？我们的团队刚刚发布了一份关于一家鲜为人知的公司报告，该公司被称为“不可或缺的垄断者”，提供英伟达和英特尔都需要的关键技术。继续阅读 »
但历史告诉我们，没有牛市会永远持续下去，当华尔街的事情好得不真实时，它们往往确实如此。
近期几周，股市逆风加剧，油价急剧上涨成为焦点。美国和以色列对伊朗的军事行动导致霍尔木兹海峡部分关闭，以及历史性的能源供应链中断。全球约20%的每日液态石油需求通过霍尔木兹海峡运输。
然而，加油站的“价格冲击”并非华尔街最大的担忧。如果股市崩盘在特朗普总统任期内成形，两个成熟的催化剂更可能是原因。
当谈到历史上价格高昂的股市时，历史不会委婉其辞
在讨论以下内容之前，需要说明过去无法具体预测未来。如果存在一个数据点或相关事件总能预测道琼斯工业平均指数、标普500指数和纳斯达克综合指数的短期方向性走势，那么每个投资者都会使用它。
尽管如此，一些与华尔街主要股票指数方向性走势强相关的数据点和/或事件值得关注。
可以说，没有哪个变量比股票估值更能警示股市的大幅下跌，如果不是 outright crash（彻底崩盘）的话。
虽然估值一只股票或更广泛市场的过程因投资者而异，但标普500的席勒市盈率（P/E Ratio）是克服这种主观性的理想工具。您也会看到席勒P/E被称为周期调整市盈率（CAPE Ratio）。
席勒P/E的妙处在于它基于过去十年的平均通胀调整后收益。计入10年的收益历史可以最大限度地减少衰退和冲击事件的影响，并确保这个估值工具在所有情况下都有用。
标普500席勒PE比率触及历史第二高水平 🚨 最高点是互联网泡沫 🤯 pic.twitter.com/Lx634H7xKa
-- Barchart (@Barchart) 2025年12月28日
尽管CAPE比率在1980年代末首次由经济学家提出，但它已被回溯测试至1871年1月，跨越155年。在此期间，其平均值为17.35。但在过去五个月的大部分时间里，它在39至41之间波动，代表了历史上第二昂贵的股市。
自1871年以来，席勒P/E在持续的牛市中超过30的情况出现了六次，包括现在。之前的五次都导致道指、标普500和/或纳斯达克综合指数至少损失20%的价值，在某些情况下损失更大。
CAPE比率仅三次达到40，包括现在。在1999年12月达到44.19的峰值后，当互联网泡沫破裂时，标普500和纳斯达克综合指数分别暴跌了49%和78%。与此同时，2022年1月初略高于40的席勒P/E让位于最终使标普500损失其四分之一价值的熊市。
席勒P/E的唯一怪癖是它没有告诉投资者这些下跌何时开始。然而，当回溯测试至1871年时，它确实拥有预示重大下跌的完美记录。关键点是高估值在长期时间线上是不可持续的。
美联储动荡可能颠覆特朗普推动的牛市
但历史上昂贵的股市并不是威胁从这个牛市反弹中抽走地毯的唯一催化剂。华尔街的支柱之一——美联储——有可能颠覆投资者多年的乐观情绪，这是一个真实的可能性。
通常，美联储是华尔街的基石。它是背景中的被动实体，安抚投资者并确保他们经济灾难不在门口。但自2025年年中以来，美国首要金融机构变成了某种对股市的负债。
第一个问题涉及联邦公开市场委员会（FOMC）内部的历史性分歧：这个由12人组成的机构，包括美联储主席杰罗姆·鲍威尔，负责货币政策决策。
鲍威尔拥有自1978年以来任何美联储主席在FOMC投票中最低的异议率。这对华尔街来说是极好的消息，因为投资者历史上更强调FOMC成员在货币政策决策上保持一致，而不是对错。但自2025年7月以来，每次FOMC会议都至少有一个异议意见。
安娜在下面说得对：
-- Jim Bianco (@biancoresearch) 2025年9月17日
“我从未见过一次会议有如此多的矛盾。”
---
这次会议一团糟。
看看下面点阵图中的标签。
FOMC中有一位成员认为美联储今年将加息。一位（斯蒂芬·米兰）认为它将降息... https://t.co/TRUQmD5I2E pic.twitter.com/qPlJGL57ln
此外，10月和12月的会议出现了相反方向的异议（至少有一位成员反对降息，而另一位推动更大幅度的削减）。相反的异议极为罕见，自1990年以来仅记录到三次——其中两次发生在2025年10月下旬之后。
虽然FOMC成员之间的讨论是健康的，但持续的异议表明缺乏共同愿景，这可能损害美联储的信誉。
可能加剧这种历史性分歧的现实是，鲍威尔作为美联储主席的任期于5月15日结束。特朗普总统提名的继任者凯文·沃什将为该职位带来先前经验，以及潜在的意外后果。
沃什曾在2026年2月24日至2011年3月31日期间任职于FOMC。在帮助美国经济应对金融危机期间，沃什获得了“鹰派”的标签。简而言之，他更看重价格稳定而非就业最大化，并 consistently focused on keeping interest rates higher to curb inflation（始终专注于保持较高利率以抑制通胀）。他的投票记录表明，他不是特朗普所寻找的推动降息的鸽派答案。
“如果特朗普想要一个对通胀温和的人，他在凯文·沃什身上找错了人。”@AnnaEconomist pic.twitter.com/FGMfeSqHpU
-- Daily Chartbook (@dailychartbook) 2026年1月31日
此外，沃什曾认为央行应将其6.65万亿美元的资产负债表去杠杆化，该资产负债表主要由美国国债和抵押贷款支持证券组成。由于债券价格和债券收益率成反比，缩减美联储资产负债表并出售债券预计将提高收益率，从而增加借贷成本。
一个历史上昂贵的股市正寄希望于降息和稳定的美联储。凯文·沃什的任命可能导致利率上升以及FOMC历史性分歧的延续。
您现在应该买入标普500指数的股票吗？
在您买入标普500指数的股票之前，请考虑这一点：
Motley Fool Stock Advisor分析师团队刚刚确定了他们认为投资者现在应该买入的10只最佳股票……而标普500指数不在其中。入选的10只股票可能在未来几年产生巨大回报。
想想Netflix在2004年12月17日上榜时……如果您在我们推荐时投资1000美元，您现在将拥有494,747美元！*或者当英伟达在2005年4月15日上榜时……如果您在我们推荐时投资1000美元，您现在将拥有1,094,668美元！*
现在，值得注意的是Stock Advisor的总平均回报率为911%——与标普500的186%相比，这是一场碾压市场的超额表现。不要错过最新的前10名名单，可通过Stock Advisor获取，并加入一个由个人投资者为个人投资者打造的投资社区。
*截至2026年3月21日的Stock Advisor回报率。
Sean Williams对所提及的任何股票都没有头寸。Motley Fool对所提及的任何股票都没有头寸。Motley Fool有披露政策。
本文表达的观点和意见是作者的观点和意见，不一定反映Nasdaq, Inc.的观点和意见。
AI脱口秀
四大领先AI模型讨论这篇文章
开场观点
C
Claude by Anthropic
"High valuations and Fed uncertainty are real risks, but the article mistakes statistical precedent for imminent catalyst and underestimates how long elevated multiples can persist when growth and sentiment remain intact."
The article conflates correlation with causation. Yes, Shiller P/E at 40 preceded crashes in 1999 and 2022—but it also sat elevated for years without crashes. The real risk isn't valuation alone; it's *what triggers* repricing. The Fed division angle is overblown: dissents existed pre-2025 and markets rallied anyway. Warsh's hawkishness is speculative—Trump could replace him if rates spike. Oil prices, dismissed as secondary, could actually matter if they persist and compress margins. The article's framing ("look beyond oil!") is itself suspicious.
反方论证
Shiller P/E has a 155-year track record of foreshadowing crashes when sustained above 30, and we're at 40. That's not correlation—that's a structural warning signal that's never failed to resolve downward eventually, regardless of timing uncertainty.
broad market (^GSPC, ^IXIC, ^DJI)
G
Gemini by Google
"The combination of record-high CAPE valuations and an increasingly fractured, unpredictable FOMC creates an asymmetric downside risk that current market pricing fails to discount."
The article correctly identifies the Shiller P/E (CAPE) at 40x as a flashing red light, but it oversimplifies the Fed transition. While Kevin Warsh is historically viewed as a hawk, his appointment could actually signal a 'regime change' in monetary policy that markets might initially cheer as a return to fiscal discipline. The real risk isn't just high rates; it's the potential for a 'policy error' where the Fed tightens into a slowing economy. Investors are ignoring that the current equity premium is predicated on a soft landing that the FOMC’s internal fracture suggests is no longer the consensus view within the building.
反方论证
The CAPE ratio has been a poor market-timing tool for years, and a pro-growth, deregulatory agenda under a new administration could justify higher valuation multiples regardless of Fed policy.
broad market
C
ChatGPT by OpenAI
"The S&P 500 is vulnerable to a significant drawdown because elevated Shiller CAPE valuations leave little room for policy hawkishness or earnings disappointments, and a contested Fed—especially with a hawkish Kevin Warsh nomination—could be the trigger."
The article correctly flags two real risks—historically rich Shiller CAPE readings and potential Federal Reserve credibility problems—but it overstates precision and understates nuance. CAPE ≈39–41 is alarming historically, yet CAPE is interest-rate sensitive, slow to reflect changing accounting, buybacks, and sector concentration (mega‑cap tech now dominates earnings). The Fed risk is real: divided FOMC votes and a hawkish Warsh nomination could push yields higher and re-rate multiples. However the piece miscites Warsh’s FOMC dates (an error), and it ignores offsetting forces—corporate buybacks, fiscal policy under Trump, and durable consumer/earnings strength—that could delay or soften a decline. Timing remains the key unknown.
反方论证
Valuations can remain elevated for years if real interest rates stay suppressed and profits grow; a dovish Fed or pragmatic Warsh could actually reinforce the rally. Also, fiscal stimulus or corporate buybacks could prop prices even amid high CAPE readings.
S&P 500 (broad market)
G
Grok by xAI
"S&P 500's Shiller P/E at 39-41 has flawlessly signaled major declines in all six prior bull-market instances since 1871, timing aside."
Article nails the red flag: S&P 500 Shiller P/E (CAPE, inflation-adjusted 10-year avg earnings) at 39-41, second-highest ever behind dot-com's 44, with every prior reading above 30 presaging 20%+ drops in Dow/S&P/Nasdaq. FOMC dissents since July 2025—opposite directions in Oct/Dec meetings, rare since 1990—erode credibility, amplified by Powell's May 2026 exit and Trump's hawkish Warsh pick, who favors higher rates and $6.65T balance sheet shrinkage (pushing yields up). Oil via Hormuz (20% global supply) downplayed; escalation to $100+/bbl could spike CPI 1-2pp, forcing Fed pivot. Valuations demand mean reversion.
反方论证
Shiller P/E lags booming forward EPS (e.g., 15%+ annualized from AI capex), potentially compressing CAPE without price collapse; Trump's tariffs/deregulation could juice growth 2-3% GDP, countering Fed drag.
broad market
辩论
C
Claude
▼ Bearish
回应 Grok
不同意:
Grok
"Valuation crashes when growth expectations break, not when multiples are high—and AI ROI remains unproven at current capex levels."
Grok conflates two separate timing problems. Yes, CAPE above 30 has preceded 20%+ drops—but the median lag is 5-7 years, not months. Warsh's balance-sheet shrinkage matters only if it actually happens; Trump reversed Powell's tightening in 2018 when markets tanked 20%. The real vulnerability isn't valuation alone—it's *earnings deceleration*. If AI capex fails to deliver 15%+ forward growth (Grok's own caveat), CAPE compresses violently. That's the trigger nobody's pricing.
G
Gemini
▼ Bearish
回应 Anthropic
不同意:
OpenAI
"The market is failing to price the inevitable collision between a hawkish Fed nominee and a president who historically prioritizes equity market performance over monetary orthodoxy."
Anthropic is right about the earnings trap, but everyone is ignoring the 'Trump Put' paradox. If Warsh pushes for aggressive balance sheet shrinkage, he triggers the very market volatility that forces a presidential intervention. We aren't looking at a standard cycle; we are looking at a collision between institutional hawkishness and political populism. The market isn't pricing for a policy error; it's pricing for a fantasy where the Fed and the White House move in lockstep.
C
ChatGPT
▼ Bearish
回应 Anthropic
"Consensus EPS is overstated because it's propped up by buybacks and non‑recurring factors, making an earnings shock the most plausible catalyst for a market re‑rating."
Anthropic is right that earnings deceleration is the likely trigger—but nobody’s highlighted how reliant consensus EPS is on financial engineering, not organic sales. Buybacks, share-count reductions, and one-off tax/timing effects have juiced per‑share earnings; corporate margins sit near cycle highs. If wage inflation, higher input/interest costs, or weaker demand hit, EPS could fall faster than prices, forcing a sharp multiple compression even without a Fed 'policy error.'
G
Grok
▼ Bearish
回应 OpenAI
不同意:
OpenAI
"Debt-funded buybacks turn into an EPS drag under Warsh-led QT, amplifying deceleration."
OpenAI spotlights buyback fragility correctly, but overlooks S&P 500 firms' $1T+ annual buybacks now 60% debt-funded at 5.5% avg cost vs. 4.2% yield—already underwater. Warsh's hawkish QT ($6.65T→$4T balance sheet) will push short rates to 6%+, forcing cutbacks and EPS plunge 10-15%. This isn't engineering; it's a leverage time bomb nobody's pricing amid FOMC chaos.
专家组裁定
达成共识The panel agrees that the current high Shiller P/E ratio (CAPE) is a significant risk factor, with every prior reading above 30 presaging 20%+ drops in major indices. The key risk is earnings deceleration, potentially triggered by AI capex failing to deliver expected growth, wage inflation, higher input/interest costs, or weaker demand. The 'Trump Put' paradox and potential Fed policy errors also pose risks.
风险
Earnings deceleration
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