Buffett Indicator at 132% — The Most Overvalued Market in 100 Years

TL;DR Buffett's market-cap-to-GDP indicator is +132% above its 100-year average. When this gauge has been 50%+ overvalued historically, the next 10 years have averaged -2.4% annual returns. But pulling out and waiting for a crash has almost always lost to staying in and dollar-cost averaging.

If you've been watching this market and thinking something feels off, I don't want to tell you you're wrong. The data is, if anything, confirming what your gut is whispering.

Bottom line: the highest overvaluation in a century

The ratio of total US market cap to GDP — what Warren Buffett has publicly called the single most reliable valuation metric — currently sits +132% above its long-run average. I'm looking at 401 quarters of data, roughly 100.25 years, going back before the Great Depression. We've never been here before.

You can argue about interpretation. You can't argue about the number itself.

How extreme this actually is

When the Buffett Indicator has been 50%+ overvalued historically, the next 10 years have averaged -2.4% per year including dividends. We are not at 50%. We are at 132%.

Two companion gauges tell a similar story:

• 10-year Shiller PE (CAPE): hit 44 at the 2000 dot-com peak. From 2000 to 2012, the S&P 500 went essentially flat for 12 years.
• Market-cap-to-GDP: some fair-value reconstructions suggest the S&P would have to fall toward ~3,118 to align with the historical relationship.

Where "this time is different" partially earns its keep

I flinch when I hear "this time is different" — those are famously the four most dangerous words in investing. But honestly? Some of it really is different.

A hundred years ago, building real wealth meant building factories and hiring thousands of workers. Today the first single-person billion-dollar companies are starting to exist. Higher returns on capital structurally justify somewhat higher valuations than the historical mean.

The question is how much higher. +132% is hard to fully defend on capital-efficiency grounds alone.

Why "sell everything" still isn't the answer

Everyone said the market would crash the moment rates moved off zero. Rates went from 0% to 5.5% starting in early 2022. We got an 8-month bear market — then new all-time highs. The crowd predicting a housing crash on the back of rate hikes? Home prices actually accelerated.

Forecasts get this wrong over and over. I get it wrong. Goldman gets it wrong. Buffett himself has said publicly, many times, that he has no idea what the market will do next month or next year.

The investors who stepped aside in 2022 to "wait for the real crash" mostly never got back in.

How I personally hold both ideas at once

I try to sit with two things simultaneously:

1. The numbers are heavy. I genuinely would not be shocked if the next 10–15 years of S&P total return came in below the historical 10%. If someone told me dividends-included returns were negative for 12 years, I'd nod and say "makes sense — we're at record valuations."
2. Sidelines cost more than they look. Stopping contributions during overvaluation means you also miss the cheaper prices when the drop eventually comes.

I wrote out the math behind why dollar-cost averaging still wins from here in Dollar-cost averaging beats market timing.

FAQ

Q: How is the Buffett Indicator calculated? A: Total US equity market capitalization divided by US GDP, usually expressed as a % deviation from its long-run trend.

Q: At 132% overvaluation, shouldn't I just sell everything? A: I don't think so. Market timing has lost more money than market crashes ever did. What it does suggest is that lump-summing fresh capital today is statistically inferior to spreading it in.

Q: Should I expect negative returns over the next decade? A: Not "guaranteed negative" — "probabilistically below average." The -2.4% historical figure is an average across start points; some 10-year windows were worse, some still finished positive.