A basic trend-following system for gold—buying only when it reaches a new all-time high and selling after a modest pullback—historically outperforms a passive buy-and-hold approach. This counterintuitive finding suggests that for certain volatile assets, systematic momentum strategies can be more effective than passive ownership, capturing upside while managing downside risk.

The term "trend following" misrepresents how managed futures generate alpha. Their value lies in identifying and taking early, contrarian positions on major macroeconomic shifts—like rising rates or currency devaluations—before they become consensus, allowing them to profit when the world changes significantly.

Unlike physical sciences where observation doesn't change the subject, the stock market's behavior is influenced by participants watching it. A market can rise simply because it has been rising, creating momentum loops. This "self-awareness" means price and value are not independent variables, a key distinction from more rigid scientific models.

The most profitable periods for trend following occur when market trends extend far beyond what seems rational or fundamentally justified. The strategy is designed to stay disciplined as prices move to levels few can imagine, long after others have exited.

Investors frequently give up on trend-following strategies after a few flat years, right before they rebound. This is attributed to a deeply ingrained behavioral bias to chase recent performance, which causes them to sell low and miss the subsequent recovery, ensuring they underperform the strategy.

Investors try to apply lessons from past market cycles, but this collective awareness changes their behavior. This creates a self-reinforcing loop that alters timelines and dynamics, ensuring history only rhymes, not repeats.

Beyond its primary role of reducing drawdowns, trend following acts as a premier diversifier that can solve several portfolio construction flaws at once. It can dynamically allocate to foreign markets (solving home bias), value stocks (when they're trending), and real assets like gold and silver, providing exposure that traditional portfolios often neglect.

AQR's founder argues that markets are fundamentally "voting mechanisms" where price is a dollar-weighted average of opinions. Arbitrage is limited because correcting a mispricing becomes progressively riskier for less reward. Therefore, if a misguided belief is backed by enough capital, it can dominate and push prices away from fundamental value.

Investors hesitant to buy assets like gold near all-time highs can use trend following for exposure. The strategy systematically enters prevailing trends and, crucially, provides a built-in, non-emotional exit signal when the trend reverses, mitigating timing risk.