7 min read
Weighted Portfolio Expense Ratio: Why Coverage Matters
A weighted expense ratio needs a clear denominator. Calculate fund costs, distinguish missing fees from zero, and read portfolio coverage correctly.
portfolio-analysisetfsfund-costs
TAG: ETFS
6 POSTS_FOUNDALLbenchmarkingbetadiversificationetf-overlapetfsfactor-analysisfund-costsportfolio-analysisportfolio-constructionrisktheory
9 min read
Why Do Two ETF Overlap Percentages Disagree on the Same Funds?
ETF overlap percentages can answer different questions. Compare four dated SCHD–VOO readings, their definitions and the holdings coverage behind them.
etf-overlapdiversificationetfsportfolio-construction
7 min read
Portfolio Tracker Without Linking Accounts: Why Manual Entry Is the Point
Analyze your portfolio with tickers and share counts, without linking a brokerage account. See what manual entry reveals and where coverage is limited.
etfsportfolio-constructiondiversification
9 min read
S&P 500 Concentration Risk: The Top Ten by Weight
SPY’s ten largest companies held 39.6% on September 11, 2026. Compare two dated snapshots and check concentration in your own portfolio.
diversificationrisketfsportfolio-construction
8 min read
What Happened to Morningstar's Instant X-Ray, and What a Portfolio X-Ray Shows
A portfolio X-ray reveals holdings inside your funds. See what replaced Morningstar’s free tool and follow a worked example of hidden Apple exposure.
etf-overlapetfsdiversificationportfolio-construction
8 min read
What Is ETF Overlap? How to Check It and How Much Is Too Much
ETF overlap measures the investments two funds share. Learn the weighted-overlap formula, compare fund pairs and check exposure across your portfolio.
etf-overlapdiversificationetfsportfolio-construction