VMGRX vs. FMDGX
VMGRX (Vanguard Mid-Cap Growth Fund) and FMDGX (Fidelity Mid Cap Growth Index Fund) are both Mid Cap Growth Equities funds. Over the past 5 years, VMGRX returned 1.18%/yr vs 4.37%/yr for FMDGX. Their 0.97 correlation means they have historically moved very closely together. VMGRX charges 0.33%/yr vs 0.05%/yr for FMDGX.
Performance
VMGRX vs. FMDGX - Performance Comparison
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Returns By Period
In the year-to-date period, VMGRX achieves a -2.94% return, which is significantly lower than FMDGX's 0.31% return.
VMGRX
- 1D
- -0.54%
- 1M
- -6.80%
- 6M
- 0.00%
- YTD
- -2.94%
- 1Y
- -0.29%
- 3Y*
- 8.59%
- 5Y*
- 1.18%
- 10Y*
- 9.56%
- ALL TIME*
- 8.37%
FMDGX
- 1D
- -0.28%
- 1M
- -4.14%
- 6M
- 0.83%
- YTD
- 0.31%
- 1Y
- -1.05%
- 3Y*
- 12.08%
- 5Y*
- 4.37%
- 10Y*
- —
- ALL TIME*
- 9.95%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VMGRX vs. FMDGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
VMGRX Vanguard Mid-Cap Growth Fund | -2.94% | 8.80% | 17.73% | 24.15% | -30.13% | 9.21% | 33.40% | 1.17% |
FMDGX Fidelity Mid Cap Growth Index Fund | 0.31% | 8.60% | 22.03% | 25.79% | -26.67% | 12.67% | 34.84% | 4.63% |
Correlation
The correlation between VMGRX and FMDGX is 0.94, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.94 |
Correlation (3Y) Balances recent behavior with more history. | 0.95 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.97 |
Correlation (All Time) Calculated using the full available price history since Jul 17, 2019 | 0.97 |
The correlation between VMGRX and FMDGX has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.
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Return for Risk
VMGRX vs. FMDGX — Risk / Return Rank
VMGRX
FMDGX
VMGRX vs. FMDGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Mid-Cap Growth Fund (VMGRX) and Fidelity Mid Cap Growth Index Fund (FMDGX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| VMGRX | FMDGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.07 | ||
| Sortino ratioReturn per unit of downside risk | +0.13 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 0.99 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | -0.09 | -0.18 | +0.09 |
| Martin ratioReturn relative to average drawdown | -0.27 | -0.51 | +0.24 |
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Drawdowns
VMGRX vs. FMDGX - Drawdown Comparison
The maximum VMGRX drawdown since its inception was -71.74%, which is greater than FMDGX's maximum drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for VMGRX and FMDGX.
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Drawdown Indicators
| VMGRX | FMDGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -71.74% | -38.59% | -33.15% |
Max Drawdown (1Y)Largest decline over 1 year | -19.09% | -14.75% | -4.34% |
Max Drawdown (3Y)Largest decline over 3 years | -26.85% | -25.30% | -1.55% |
Max Drawdown (5Y)Largest decline over 5 years | -39.71% | -38.59% | -1.12% |
Max Drawdown (10Y)Largest decline over 10 years | -39.71% | — | — |
Current DrawdownCurrent decline from peak | -8.71% | -6.46% | -2.25% |
Average DrawdownAverage peak-to-trough decline | -24.38% | -11.02% | -13.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.39% | 5.30% | +1.09% |
Volatility
VMGRX vs. FMDGX - Volatility Comparison
Vanguard Mid-Cap Growth Fund (VMGRX) has a higher volatility of 7.34% compared to Fidelity Mid Cap Growth Index Fund (FMDGX) at 5.09%. This indicates that VMGRX's price experiences larger fluctuations and is considered to be riskier than FMDGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VMGRX | FMDGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.34% | 5.09% | +2.25% |
Volatility (6M)Calculated over the trailing 6-month period | 17.69% | 13.99% | +3.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.23% | 17.60% | +3.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.60% | 22.53% | +1.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.42% | 24.22% | -1.80% |
VMGRX vs. FMDGX - Expense Ratio Comparison
VMGRX has a 0.33% expense ratio, which is higher than FMDGX's 0.05% expense ratio.
Dividends
VMGRX vs. FMDGX - Dividend Comparison
VMGRX's dividend yield for the trailing twelve months is around 18.28%, more than FMDGX's 1.85% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FMDGX Fidelity Mid Cap Growth Index Fund | 1.85% | 1.85% | 0.47% | 0.63% | 0.81% | 6.43% | 0.36% | 0.29% | 0.00% | 0.00% | 0.00% | 0.00% |
VMGRX Vanguard Mid-Cap Growth Fund | 18.28% | 17.74% | 1.80% | 0.39% | 0.26% | 34.53% | 6.30% | 10.43% | 14.53% | 3.13% | 0.67% | 8.20% |
Frequently Asked Questions
With a correlation of 0.94, VMGRX and FMDGX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
VMGRX has higher volatility (7.34%) compared to FMDGX (5.09%). In terms of maximum drawdown, VMGRX dropped -71.74% vs FMDGX's -38.59%.
VMGRX currently has the higher Sharpe Ratio (-0.08 vs -0.15), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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