Nothing Has a Right to Exist in Your Portfolio | What the Last 15 Years Has Taught Us

About this episode

The episode discusses lessons from the last 15 years regarding portfolio construction, market behavior, and investment strategies.

In this wide-ranging year-end conversation, Cameron Dawson, Dave Nadig, and Matt Zeigler reflect on what worked, what failed, and what the last decade has revealed about markets, diversification, and portfolio construction. The discussion moves from the collapse of traditional asset allocation assumptions to the realities of concentration risk, gold and crypto as psychological assets, and how investors should think about positioning after two extraordinary market years. Along the way, the group explores behavioral traps, factor investing disappointments, and what 2026 might demand from investors navigating uncertainty, valuation extremes, and momentum-driven markets. Main topics covered: • Why modern portfolio theory and the efficient frontier have struggled over the last 10–15 years • The “Sell America” trade, what actually worked, and why chasing institutional positioning can be dangerous • Gold’s breakout, Bitcoin flows, and how investors should think about real assets as psychological hedges • Why diversification has failed to add value for much of the last decade • Concentration risk in the S&P 500 and the dominance of the Magnificent Seven • The challenges of…

People in this episode

Guests: Cameron Dawson, Dave Nadig, Matt Zeigler

Topics covered

• portfolio construction
• market trends
• diversification
• concentration risk
• behavioral finance
• factor investing
• asset allocation

Keywords

• portfolio theory
• diversification
• concentration risk
• behavioral traps
• factor investing
• momentum
• asset allocation

Mentioned in this episode

Organizations: S&P 500, Bitcoin, Gold, Magnificent Seven

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