New rules for index investing

Understand the implications for your portfolios

Passively managed indexes have surged in popularity. But with higher interest rates, increased geopolitical instability, and AI concentration risks, is there a stronger case for active management? Discover the latest thinking on index investing with timely content from industry thought leaders like S&P Dow Jones Indices, STOXX, and FTSE Russell.

SPIVA® Institutional Scorecard Year-End 2025 (S&P Dow Jones Indices)

Tracking the degree to which historical relative performance is predictive of future relative performance: what does the scorecard show?

The AI Barbell (MarketVector Indexes)

What is a barbell approach to AI and what can it do for allocators?

Different Perspectives on Global Stock Market Concentration (FTSE Russell)

For compliance reasons, this paper is only accessible in certain geographies

Is today’s market concentration the outcome of investor behavior or a reflection of companies’ real economic footprint?

Bond Indices and Systematic Duration Management (Macrosynergy)

A look at systematic duration management and its ability to enhance the returns of an index-tracking sovereign bond ETF or fund.

VIX and Trend Following Revisited: Nearly a Decade of Out-of-Sample Evidence (Alpha Architect)

Could volatility information improve a traditional trend-following allocation model?

Made in Germany: Drivers of Europe’s Rebound (STOXX)

How investors can gain exposure to Germany’s resurgence at the heart of Europe’s market comeback.

Morningstar Wide Moat Focus Index: Underperformance amid Skyrocketing Tech Names (Morningstar Indexes)

A breakdown of what has driven underperformance among undervalued US stocks with wide economic moat ratings.

Autocallable Income Comes of Age (Calamos Investments)

Incorporating systematic autocallable exposure within diversified portfolios.

Passive Flows, Active Woes: Passive Investing and the Decline of Active Mutual Fund Alpha (University of California, Irvine)

Has the secular shift toward passive investing affected active fund performance?

When Three Passive Funds Become the Market (ARP)

What are investors to do when the three largest passively managed S&P 500 funds hold a combined $2.6 trillion of AUM?