MGK vs QQQ ownership cost
Investment amount$10K
Holding period5 years
Assumption coveragePartial
Compare costs
Assumptions
Edit assumptions and apply them to refresh the calculation URL.
Vanguard
MGK
Vanguard Mega Cap Growth ETF
Expense ratio0.05%
Cost sourceProvider
Spread sourceNot tracked yet
Data quality: 99.7% holdings coverage, as of 2026-05-31.
Invesco
QQQ
Invesco QQQ Trust
Expense ratio0.18%Stale
Cost sourceProvider
Spread sourceNot tracked yet
Data quality: 100.0% holdings coverage, as of 2026-06-12.
Total cost over time
Bars show cumulative calculated components when expense-ratio inputs are available.
Calculation breakdown
Swipe table sideways| Component | MGK | QQQ | Status | Note |
|---|---|---|---|---|
| Expense ratio cost | $25 | $90 | Calculated | Details |
| Bid/ask spread cost | Missing | Missing | No data | Details |
| Commission cost | $0 | $0 | Calculated | Details |
| Total cost of ownership | Not tracked yet | Not tracked yet | No data | Details |
Data quality and methodology
SourceIssuer monthly holdings API: Vanguard, Issuer holdings API: Invesco
As of2026-05-31 to 2026-06-12
Unavailable assumptionsMGK spread unavailable: Issuer official cached metadata did not disclose this field in a parser-supported shape., QQQ spread unavailable: Issuer official cached metadata did not disclose this field in a parser-supported shape.
Spread sourceMGK: Not tracked yet (Not tracked yet); QQQ: Not tracked yet (Not tracked yet)
FormulaExpense cost sums yearly portfolio value multiplied by expense ratio; one-way spread cost uses half spread.
Educational analysis only. Not personalized investment, tax, or legal advice.