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Market Valuation

Current Valuation Metrics

These metrics help assess whether the overall stock market is overvalued, fairly valued, or undervalued relative to historical norms.

Shiller CAPE
40.11Avg: 17.19
Buffett Indicator
212.00%Avg: 161%
Price/Sales
3.44Avg: 1.82

Valuation Context

Traditional valuation metrics appear elevated relative to historical averages. These metrics help explain why — corporate profit margins have expanded well above historical norms, which supports higher price multiples.

Earnings Yield (GAAP)
3.94%Avg: 5.49%
Equity Risk Premium (Nominal)
-0.31%Avg: 1.5%
Equity Risk Premium (Real)
1.99%Avg: 3%
Corporate Profit Margin
12.10%Avg: 6.5%

Shiller CAPE Ratio

The Cyclically Adjusted Price-to-Earnings ratio, developed by Nobel laureate Robert Shiller, compares current stock prices to inflation-adjusted earnings averaged over the past 10 years. This smoothing reduces the impact of business cycle fluctuations.

How to Interpret

  • Below 15: Historically undervalued, potential buying opportunity
  • 15-25: Fair value range based on historical norms
  • 25-30: Elevated valuations, proceed with caution
  • Above 30: Historically high, suggests overvaluation

Historical Context

  • Long-term average: ~17 since 1881
  • Peaked at 44 before the 2000 dot-com crash
  • Dropped to 13 during the 2009 financial crisis
  • Has remained elevated since 2015

Buffett Indicator

Named after Warren Buffett, who called it "probably the best single measure of where valuations stand at any given moment." It compares total U.S. stock market capitalization (Wilshire 5000) to Gross National Product, measuring whether the market is overvalued relative to economic output.

How to Interpret

  • Below 75%: Significantly undervalued
  • 75-100%: Modestly undervalued
  • 100-150%: Fair value range
  • Above 150%: Significantly overvalued

Limitations

  • Doesn't account for low interest rates supporting higher valuations
  • U.S. companies earn significant revenue internationally
  • Corporate profit margins have structurally increased
  • Best used as one input among many

Price-to-Sales Ratio

The market-wide price-to-sales ratio compares total market capitalization to total revenue. Unlike P/E ratios, it's harder to manipulate through accounting practices since revenue is more straightforward than earnings.

How to Interpret

  • Below 1.5: Historically attractive valuations
  • 1.5-2.0: Fair value based on historical norms
  • 2.0-2.5: Elevated, suggests caution
  • Above 2.5: Historically high valuations

Why It Matters

  • Revenue is harder to manipulate than earnings
  • Works for unprofitable growth companies
  • Less affected by one-time charges or gains
  • Useful cross-sector comparison tool

S&P 500 Earnings Yield

Earnings yield is the inverse of the P/E ratio (E/P), expressed as a percentage. It represents how much you earn per dollar invested and is directly comparable to bond yields, making it useful for assessing stocks vs. bonds. Computed from the current S&P 500 price and trailing twelve-month as-reported (GAAP) earnings per share.

How to Interpret

  • Above 6%: Stocks look cheap relative to history
  • 4-6%: Fair value range
  • Below 4%: Stocks are expensive — low expected returns
  • Compare to 10Y Treasury yield for the equity risk premium

Why It Matters

  • Directly comparable to bond yields (stocks vs. bonds decision)
  • A low earnings yield means investors accept lower returns for growth
  • When earnings yield is close to Treasury yields, stocks offer little premium for their risk
  • Historical median is ~5.5% but varies with interest rate regimes

Equity Risk Premium

The equity risk premium (ERP) is the excess return investors earn from stocks over risk-free government bonds. We show two versions: the nominal ERP uses the 10-Year Treasury yield, while the real ERP uses the 10-Year TIPS yield, which strips out inflation expectations. The real ERP better reflects the actual excess return stocks offer over a guaranteed inflation-adjusted return.

Nominal ERP (vs. 10Y Treasury)

  • Above 3%: Stocks offer a generous premium — historically attractive
  • 1-3%: Normal range, adequate compensation for equity risk
  • 0-1%: Thin premium — bonds are competitive with stocks
  • Below 0%: Bonds yield more than stocks — rare, signals extreme stock overvaluation
  • Current: 3.94% − 4.25% = -0.31%

Real ERP (vs. 10Y TIPS)

  • Above 4%: Stocks offer a generous real premium
  • 2-4%: Normal range — stocks compensate for risk above inflation
  • 1-2%: Thin real premium
  • Below 1%: Inflation-protected bonds nearly match stock returns
  • Current: 3.94% − 1.95% = 1.99%

Why Two Measures?

  • The nominal ERP can be negative when Treasury yields are high, even if stocks still beat inflation
  • The real ERP explains why investors stay in stocks despite a negative nominal ERP — stocks still offer a meaningful premium over inflation-adjusted bonds
  • A negative or near-zero ERP preceded the 2000 and 2007 market peaks
  • Rising rates compress the nominal ERP even if earnings stay constant

What Are TIPS?

  • Treasury Inflation-Protected Securities — bonds whose principal adjusts with CPI
  • The TIPS yield is a "real" yield — the return above inflation investors demand
  • The spread between the 10Y Treasury and 10Y TIPS is the market's inflation expectation (breakeven inflation)
  • When TIPS yields are low, investors accept lower real returns — making stocks relatively more attractive

Corporate Profit Margin

Corporate profits after tax as a percentage of GDP. This measures how much of the economy's output flows to corporate bottom lines. Higher margins help justify elevated P/E ratios — if companies earn more per dollar of revenue, they deserve higher valuations.

How to Interpret

  • Above 10%: Historically high — supports higher valuations but may mean-revert
  • 6-10%: Normal range
  • Below 6%: Compressed margins, typically during recessions
  • Watch for declining margins as a leading indicator of earnings weakness

Why Margins Are Elevated

  • Tech sector dominance (high-margin software and services)
  • Globalization and labor cost arbitrage
  • Lower effective tax rates since 2017 tax reform
  • If margins revert to historical averages, valuations would need to compress

Important Considerations

  • High valuations don't predict timing - markets can stay expensive for years
  • Low interest rates can justify higher valuations
  • These metrics are better for long-term (5-10 year) return expectations
  • Sector composition changes over time affect aggregate metrics
  • Use valuation data to inform position sizing, not market timing

For detailed charts and technical analysis, we recommend TradingView.