VIOO vs. FJACX
VIOO (Vanguard S&P Small-Cap 600 ETF) and FJACX (Fidelity Series Small Cap Discovery Fund) are both Small Cap Blend Equities funds. Over the past 10 years, VIOO returned 11.31%/yr vs 11.53%/yr for FJACX. Their correlation of 0.94 suggests significant overlap in exposure. VIOO charges 0.07%/yr vs 0.00%/yr for FJACX.
Performance
VIOO vs. FJACX - Performance Comparison
Loading charts...
Returns By Period
The year-to-date returns for both stocks are quite close, with VIOO having a 19.31% return and FJACX slightly lower at 19.00%. Both investments have delivered pretty close results over the past 10 years, with VIOO having a 11.31% annualized return and FJACX not far ahead at 11.53%.
VIOO
- 1D
- -0.35%
- 1M
- 4.23%
- YTD
- 19.31%
- 6M
- 16.84%
- 1Y
- 34.71%
- 3Y*
- 16.19%
- 5Y*
- 6.28%
- 10Y*
- 11.31%
FJACX
- 1D
- 1.09%
- 1M
- 6.41%
- YTD
- 19.00%
- 6M
- 16.97%
- 1Y
- 34.96%
- 3Y*
- 16.53%
- 5Y*
- 9.61%
- 10Y*
- 11.53%
VIOO vs. FJACX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VIOO Vanguard S&P Small-Cap 600 ETF | 19.31% | 6.04% | 8.48% | 16.16% | -16.26% | 26.79% | 11.47% | 22.68% | -8.65% | 13.16% |
FJACX Fidelity Series Small Cap Discovery Fund | 19.00% | 11.80% | 3.11% | 21.79% | -13.96% | 36.36% | 9.62% | 30.01% | -17.37% | 9.59% |
Correlation
The correlation between VIOO and FJACX 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 | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Nov 19, 2013 | 0.94 |
The correlation between VIOO and FJACX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
VIOO vs. FJACX — Risk / Return Rank
VIOO
FJACX
VIOO vs. FJACX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P Small-Cap 600 ETF (VIOO) and Fidelity Series Small Cap Discovery Fund (FJACX). 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.
| VIOO | FJACX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.02 | ||
| Sortino ratioReturn per unit of downside risk | +0.02 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.34 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 3.98 | 3.31 | +0.66 |
| Martin ratioReturn relative to average drawdown | 13.43 | 10.90 | +2.53 |
Loading charts...
Drawdowns
VIOO vs. FJACX - Drawdown Comparison
The maximum VIOO drawdown since its inception was -44.15%, roughly equal to the maximum FJACX drawdown of -45.60%. Use the drawdown chart below to compare losses from any high point for VIOO and FJACX.
Loading charts...
Drawdown Indicators
| VIOO | FJACX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -44.15% | -45.60% | +1.45% |
Max Drawdown (1Y)Largest decline over 1 year | -8.77% | -11.19% | +2.42% |
Max Drawdown (3Y)Largest decline over 3 years | -27.93% | -22.71% | -5.22% |
Max Drawdown (5Y)Largest decline over 5 years | -27.93% | -23.69% | -4.24% |
Max Drawdown (10Y)Largest decline over 10 years | -44.15% | -45.60% | +1.45% |
Current DrawdownCurrent decline from peak | -0.47% | 0.00% | -0.47% |
Average DrawdownAverage peak-to-trough decline | -7.31% | -6.53% | -0.78% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.59% | 3.40% | -0.81% |
Volatility
VIOO vs. FJACX - Volatility Comparison
The current volatility for Vanguard S&P Small-Cap 600 ETF (VIOO) is 4.97%, while Fidelity Series Small Cap Discovery Fund (FJACX) has a volatility of 6.93%. This indicates that VIOO experiences smaller price fluctuations and is considered to be less risky than FJACX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| VIOO | FJACX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.97% | 6.93% | -1.96% |
Volatility (6M)Calculated over the trailing 6-month period | 12.11% | 13.98% | -1.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.77% | 18.67% | -0.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.40% | 20.23% | +1.17% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.98% | 21.64% | +1.34% |
VIOO vs. FJACX - Expense Ratio Comparison
VIOO has a 0.07% expense ratio, which is higher than FJACX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
VIOO vs. FJACX - Dividend Comparison
VIOO's dividend yield for the trailing twelve months is around 1.14%, less than FJACX's 8.46% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FJACX Fidelity Series Small Cap Discovery Fund | 8.46% | 10.44% | 10.79% | 2.90% | 24.03% | 17.66% | 2.67% | 6.65% | 8.36% | 1.15% | 0.45% | 5.64% |
VIOO Vanguard S&P Small-Cap 600 ETF | 1.14% | 1.36% | 1.48% | 1.47% | 1.51% | 1.16% | 1.09% | 1.37% | 1.32% | 1.11% | 1.06% | 1.26% |
Frequently Asked Questions
With a correlation of 0.93, VIOO and FJACX 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.
FJACX has higher volatility (6.93%) compared to VIOO (4.97%). In terms of maximum drawdown, VIOO dropped -44.15% vs FJACX's -45.60%.
FJACX currently has the higher Sharpe Ratio (1.99 vs 1.97), 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.
Find the right allocation for VIOO and FJACX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer