イー・フォース株式会社

Index Friends ((free)) May 2026

Think of an index fund (like the S&P 500) as your reliable best friend: steady, transparent, and historically reliable. But even best friends have blind spots. To build a resilient portfolio, you need a circle of Index Friends .

A single, simple spreadsheet or wiki page that answers the top 5 questions new (and old) team members ask daily. index friends

Option 1: For Investors (The Boglehead Approach) Title: Why Your Portfolio Needs ‘Index Friends’ (Not Frenemies) Tone: Educational, calm, long-term focused Think of an index fund (like the S&P