VGSTX vs. FZROX
VGSTX (Vanguard STAR Fund) and FZROX (Fidelity ZERO Total Market Index Fund) are both mutual funds - VGSTX is a Diversified Portfolio fund managed by Vanguard, while FZROX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 5 years, VGSTX returned 6.53%/yr vs 12.93%/yr for FZROX. Their correlation of 0.94 suggests significant overlap in exposure. VGSTX charges 0.31%/yr vs 0.00%/yr for FZROX.
Performance
VGSTX vs. FZROX - Performance Comparison
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Returns By Period
In the year-to-date period, VGSTX achieves a 5.80% return, which is significantly lower than FZROX's 11.17% return.
VGSTX
- 1D
- -0.61%
- 1M
- 2.32%
- YTD
- 5.80%
- 6M
- 6.49%
- 1Y
- 17.18%
- 3Y*
- 14.65%
- 5Y*
- 6.53%
- 10Y*
- 9.58%
FZROX
- 1D
- -0.76%
- 1M
- 4.12%
- YTD
- 11.17%
- 6M
- 10.89%
- 1Y
- 28.18%
- 3Y*
- 22.18%
- 5Y*
- 12.93%
- 10Y*
- —
VGSTX vs. FZROX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
VGSTX Vanguard STAR Fund | 5.80% | 15.88% | 13.69% | 17.14% | -18.05% | 9.65% | 21.45% | 22.21% | -7.65% |
FZROX Fidelity ZERO Total Market Index Fund | 11.17% | 17.23% | 23.94% | 26.20% | -19.21% | 26.00% | 20.51% | 31.15% | -12.72% |
Correlation
The correlation between VGSTX and FZROX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.93 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Aug 17, 2018 | 0.94 |
The correlation between VGSTX and FZROX has been stable across timeframes, ranging from 0.91 to 0.94 - a consistent structural relationship.
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Return for Risk
VGSTX vs. FZROX — Risk / Return Rank
VGSTX
FZROX
VGSTX vs. FZROX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard STAR Fund (VGSTX) and Fidelity ZERO Total Market Index Fund (FZROX). 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.
| VGSTX | FZROX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.22 | ||
| Sortino ratioReturn per unit of downside risk | -0.17 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 1.42 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.62 | 3.18 | -0.56 |
| Martin ratioReturn relative to average drawdown | 11.43 | 14.69 | -3.26 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VGSTX | FZROX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.09 | 2.31 | -0.22 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 0.75 | -0.19 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.81 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.81 | 0.72 | +0.09 |
Drawdowns
VGSTX vs. FZROX - Drawdown Comparison
The maximum VGSTX drawdown since its inception was -38.62%, which is greater than FZROX's maximum drawdown of -34.96%. Use the drawdown chart below to compare losses from any high point for VGSTX and FZROX.
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Drawdown Indicators
| VGSTX | FZROX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.62% | -34.96% | -3.66% |
Max Drawdown (1Y)Largest decline over 1 year | -6.76% | -8.89% | +2.13% |
Max Drawdown (3Y)Largest decline over 3 years | -11.77% | -19.38% | +7.61% |
Max Drawdown (5Y)Largest decline over 5 years | -25.55% | -25.12% | -0.43% |
Max Drawdown (10Y)Largest decline over 10 years | -25.55% | — | — |
Current DrawdownCurrent decline from peak | -0.61% | -0.76% | +0.15% |
Average DrawdownAverage peak-to-trough decline | -4.03% | -5.51% | +1.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.55% | 1.92% | -0.37% |
Volatility
VGSTX vs. FZROX - Volatility Comparison
The current volatility for Vanguard STAR Fund (VGSTX) is 2.53%, while Fidelity ZERO Total Market Index Fund (FZROX) has a volatility of 3.09%. This indicates that VGSTX experiences smaller price fluctuations and is considered to be less risky than FZROX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VGSTX | FZROX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.53% | 3.09% | -0.56% |
Volatility (6M)Calculated over the trailing 6-month period | 6.70% | 9.23% | -2.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.49% | 12.25% | -3.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 11.82% | 17.44% | -5.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 11.83% | 20.13% | -8.30% |
VGSTX vs. FZROX - Expense Ratio Comparison
VGSTX has a 0.31% expense ratio, which is higher than FZROX's 0.00% expense ratio.
Dividends
VGSTX vs. FZROX - Dividend Comparison
VGSTX's dividend yield for the trailing twelve months is around 8.63%, more than FZROX's 0.92% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FZROX Fidelity ZERO Total Market Index Fund | 0.92% | 1.02% | 1.16% | 1.36% | 1.57% | 1.25% | 1.27% | 1.51% | 0.00% | 0.00% | 0.00% | 0.00% |
VGSTX Vanguard STAR Fund | 8.63% | 9.13% | 10.67% | 5.35% | 8.34% | 6.70% | 6.68% | 6.07% | 6.90% | 3.32% | 4.77% | 5.62% |
Frequently Asked Questions
With a correlation of 0.93, VGSTX and FZROX 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.
FZROX has higher volatility (3.09%) compared to VGSTX (2.53%). In terms of maximum drawdown, VGSTX dropped -38.62% vs FZROX's -34.96%.
FZROX currently has the higher Sharpe Ratio (2.31 vs 2.09), 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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