Start with a specific position or ETF
If you suspect one stock or fund is too large, begin with the closest page and use it as a sizing and overlap lens.
Guardfolio Research
Portfolio Risk Hub
Public education pages on concentration, ETF overlap, diversification gaps, and drawdown-sensitive exposure structure. Built for self-directed investors who want practical risk interpretation, not generic market commentary.
10
Risk guides
3
Featured cases
5
Scenarios
2
Explainers
Start here
Featured Risk Guides
Start with the most practical public guides on concentration, ETF overlap, and sizing risk. Each page answers one portfolio question clearly and links back to broader Guardfolio methodology pages.
Educational content only. Not financial or investment advice.
Featured
Is NVDA Too Large in Your Portfolio?
Understand single-name concentration, overlap spillover, and drawdown sensitivity when one growth stock starts driving the whole portfolio.
Read the NVDA concentration guide FeaturedQQQ vs VOO: Overlap and Redundancy Risk
See why two broad ETFs can still duplicate top holdings and sector exposure more than most investors expect.
Read the QQQ vs VOO overlap guide FeaturedIs IBIT Too Risky as a Large Allocation?
Evaluate sizing risk, regime-dependent correlation shifts, and downside concentration from one volatile sleeve.
Read the IBIT allocation risk guideCase studies
Scenario Guides
Narrower case studies on single-stock concentration, semiconductor theme risk, and ETF pair overlap.
Single name
How Concentrated Is Too Concentrated With TSLA?
Single-name concentration, drift, and correlated growth clustering when one volatile winner becomes portfolio-defining.
Read the TSLA concentration guide Sector themeHow Concentrated Is a Large SMH Allocation?
Semiconductor theme concentration, tight holdings concentration, and overlap with QQQ or other growth-heavy exposure.
Read the SMH concentration guide ETF pairSCHD vs VOO: How Much Overlap Risk Is There?
A lower-overlap pair where the real question is whether the dividend and quality tilt changes behavior enough to matter.
Read the SCHD vs VOO overlap guide ETF pairVGT vs QQQ: Are You Doubling Up on Tech Risk?
High-overlap same-theme stacking where different fund labels still resolve into one concentrated tech sleeve.
Read the VGT vs QQQ overlap guide Cross-fundDoes QQQ Create Hidden Overlap in Your Portfolio?
A broader explainer showing how QQQ often multiplies existing growth exposure across several ETF combinations.
Read the QQQ overlap analysis ETF pairVTI vs VOO: Are You More Concentrated Than You Think?
A practical overlap check for one of the most common core ETF pairs, including when this mix adds weight more than diversification.
Read the VTI vs VOO overlap guide ETF pairSPY vs QQQ: Hidden Overlap in Popular Core ETFs
Review repeated mega-cap exposure and sector concentration in a pair many investors assume is automatically diversified.
Read the SPY vs QQQ overlap guide Dividend pairSCHD vs VYM: Dividend ETF Overlap Explained
Evaluate overlap in common dividend ETFs and see how income-focused portfolios can still cluster in similar holdings.
Read the SCHD vs VYM overlap guideFoundations
Background Explainers
Use these pages for broader context on diversification and sector concentration before moving into the narrower case studies above.
Explainer
Why Multiple ETFs Can Still Mean Concentrated Risk
See why ETF count can hide repeated holdings, sector clustering, and cross-account overlap.
Read the false diversification explainer FrameworkHow Much Tech Exposure Is Too Much?
A portfolio-level framework for judging when repeated tech exposure has become a real concentration problem.
Read the tech exposure frameworkWorkflow
How To Use This Hub
A simple three-step path from a single position you’re worried about to checking your real cross-account exposure.
Cross-check with core guides
Use the hub pages together with the broader methodology pages on diversification, overlap, and portfolio risk management.
Then compare to your real portfolio
These pages are public education. The next step is checking your actual cross-account exposure with Guardfolio’s risk snapshot or app workflow.