Practical guides on ETF overlap, portfolio diversification, and smarter fund selection.
VT and VXUS share more than eight thousand holdings yet overlap by under 40%. The international sleeve is where shared-holding counts mislead most — here is what the weighted data actually shows.
XLK and VGT overlap roughly 79% by weight. The difference between them is narrower than the fund names suggest — and concentrated at the very top of each portfolio.
VOO and IVV overlap about 97% by weight across hundreds of shared holdings. When two funds are this close, the decision comes down to everything except the portfolio.
SCHD and VYM are treated as interchangeable dividend funds, but their weighted overlap is under 20% despite dozens of shared holdings. Here is what separates them.
RSP and VOO hold the same S&P 500 companies and share more than 500 positions, yet their weighted overlap is only about 46%. Here is why counting shared holdings misleads.
JEPI overlaps VOO by only about a third despite sharing dozens of holdings. The gap explains what a covered-call income fund actually changes in a portfolio.
IWF and VUG overlap roughly 85% by weight despite tracking different index families. When two growth funds are this close, the expense ratio stops being a footnote.
Check ETF overlap in minutes with this step-by-step guide. Learn what overlap means, how to measure it using a free ETF overlap tool, and when to rebalance your portfolio.
VTI and VOO overlap heavily by portfolio weight despite VTI holding roughly seven times more stocks. Learn what this means for diversification and whether you need both.
SCHD and VTI share dozens of holdings yet overlap by only single digits in weight. See why this dividend-growth ETF genuinely complements total market exposure.
A step-by-step guide to identifying and reducing ETF portfolio overlap using weighted overlap scores, sector analysis, and smart fund substitutions.
QQQ and SPY overlap by more than half their portfolio weight despite tracking different indices. Discover why holding both may concentrate your tech risk more than you realize.
How ETF Overlap Checker actually scores fund overlap: the weighted formula, why holding counts mislead, what the verdict bands mean, and how to sanity-check any pair yourself.
Comparing the best free ETF overlap tools in 2026 — etf-checker.org, ETF Research Center, MarketXLS, and others — on features, data depth, and usability.