Blog | Burney Wealth Management

Over-Optimization Fatigue and Why the Buffett Indicator Might Be Wrong | Ep 13

Written by Andy Pratt, CFA, CAIA | 9.12.2025

Watch or listen to the episode below:

Andy's elaborate NFL betting models with Excel spreadsheets and statistical analysis always lose to his aunt who watches three games a year. This perfectly captures what happens when you over-optimize financial planning.

The 12.3% Problem

Andy sees this all the time - clients who insist they need exactly 12.3% returns to hit their goals. When the market delivers a flat year, they panic. Suddenly they're reaching for cryptocurrency and high-yield bonds, creating worse portfolios than they started with.

The simple truth: stick around, keep the faith, stay invested. But that feels insufficient when you've convinced yourself precision is required.

Advisors as Referees

Adam uses a helpful analogy. Financial advisors aren't perfectionists trying to optimize every detail. They're like teachers at recess, making sure everyone stays within the playground boundaries.

There's flexibility within those guardrails. You can adapt and try different approaches. But when someone starts climbing outside the safe areas, that's when we step in.

This matters because you can't control market returns or family circumstances decades in advance. But you can establish reasonable boundaries and stay within them.

The Warren Buffett Indicator Panic

Lately clients are asking about the Warren Buffett indicator at 215%. Buffett called it “probably the single best measure of where valuations are” back in 2001. Now everyone's scared.

But four things have changed since 2001:

  1. Globalization means 40% of S&P 500 sales happen outside the US. Tying stock prices to only US GDP misses where growth actually occurs.
  2. Intangible assets like intellectual property and brand value aren't captured by GDP. These represent huge portions of company value but don't show up in economic data.
  3. Lower interest rates mathematically support higher valuations through basic time-value calculations.
  4. The Magnificent Seven concentration means this indicator reflects seven exceptional companies, not the broader market.

What This Actually Means

US stocks do look expensive. That's reasonable to acknowledge. But the response shouldn't be running to cash.

Consider international diversification instead. Germany's Buffett ratio sits at 44%, China at 63%. Maybe that explains why international markets are crushing US returns this year.

Remember that momentum beats valuations in the short term. You can be right about expensive markets but wrong for years while missing gains.

Keep it Simple

The most successful long-term investors focus on what they control: saving consistently, staying diversified, managing costs, and remaining invested through cycles.

Over-optimization creates fatigue without improving outcomes. Sometimes the aunt who watches three football games has the right approach.

Listen to the full conversation on Long Story Short: