BSPIX vs. VVIAX
BSPIX (iShares S&P 500 Index Fund Institutional Class) and VVIAX (Vanguard Value Index Fund Admiral Shares) are both mutual funds - BSPIX is a S&P 500 fund tracking the S&P 500 Index, while VVIAX is a Large Cap Value Equities fund tracking the CRSP US Large Cap Value Index. Both are passively managed. Over the past 10 years, BSPIX returned 15.38%/yr vs 12.46%/yr for VVIAX. Their correlation of 0.87 suggests significant overlap in exposure. BSPIX charges 0.10%/yr vs 0.05%/yr for VVIAX.
Performance
BSPIX vs. VVIAX - Performance Comparison
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Returns By Period
In the year-to-date period, BSPIX achieves a 10.83% return, which is significantly lower than VVIAX's 12.21% return. Over the past 10 years, BSPIX has outperformed VVIAX with an annualized return of 15.38%, while VVIAX has yielded a comparatively lower 12.46% annualized return.
BSPIX
- 1D
- -0.74%
- 1M
- 4.16%
- YTD
- 10.83%
- 6M
- 10.73%
- 1Y
- 27.88%
- 3Y*
- 22.33%
- 5Y*
- 13.80%
- 10Y*
- 15.38%
VVIAX
- 1D
- -0.02%
- 1M
- 3.21%
- YTD
- 12.21%
- 6M
- 13.06%
- 1Y
- 26.79%
- 3Y*
- 18.23%
- 5Y*
- 11.21%
- 10Y*
- 12.46%
BSPIX vs. VVIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSPIX iShares S&P 500 Index Fund Institutional Class | 10.83% | 17.75% | 24.85% | 26.17% | -18.20% | 28.55% | 18.35% | 31.35% | -4.87% | 21.20% |
VVIAX Vanguard Value Index Fund Admiral Shares | 12.21% | 15.27% | 16.00% | 9.22% | -2.07% | 26.51% | 2.29% | 25.81% | -5.45% | 17.13% |
Correlation
The correlation between BSPIX and VVIAX is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.68 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.80 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.84 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2014 | 0.87 |
The correlation between BSPIX and VVIAX shifts across timeframes, from 0.68 (1 year) to 0.87 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
BSPIX vs. VVIAX — Risk / Return Rank
BSPIX
VVIAX
BSPIX vs. VVIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Index Fund Institutional Class (BSPIX) and Vanguard Value Index Fund Admiral Shares (VVIAX). 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.
| BSPIX | VVIAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.25 | ||
| Sortino ratioReturn per unit of downside risk | -0.50 | ||
| Omega ratioGain probability vs. loss probability | 1.43 | 1.47 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 3.14 | 4.13 | -0.99 |
| Martin ratioReturn relative to average drawdown | 14.68 | 15.57 | -0.90 |
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
| BSPIX | VVIAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.36 | 2.61 | -0.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.82 | 0.81 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.86 | 0.75 | +0.11 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.80 | 0.42 | +0.39 |
Drawdowns
BSPIX vs. VVIAX - Drawdown Comparison
The maximum BSPIX drawdown since its inception was -33.75%, smaller than the maximum VVIAX drawdown of -59.32%. Use the drawdown chart below to compare losses from any high point for BSPIX and VVIAX.
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Drawdown Indicators
| BSPIX | VVIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.75% | -59.32% | +25.57% |
Max Drawdown (1Y)Largest decline over 1 year | -8.91% | -6.36% | -2.55% |
Max Drawdown (3Y)Largest decline over 3 years | -18.74% | -14.39% | -4.35% |
Max Drawdown (5Y)Largest decline over 5 years | -24.55% | -17.14% | -7.41% |
Max Drawdown (10Y)Largest decline over 10 years | -33.75% | -36.80% | +3.05% |
Current DrawdownCurrent decline from peak | -0.74% | -0.02% | -0.72% |
Average DrawdownAverage peak-to-trough decline | -3.93% | -9.61% | +5.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.90% | 1.69% | +0.21% |
Volatility
BSPIX vs. VVIAX - Volatility Comparison
iShares S&P 500 Index Fund Institutional Class (BSPIX) has a higher volatility of 2.93% compared to Vanguard Value Index Fund Admiral Shares (VVIAX) at 2.57%. This indicates that BSPIX's price experiences larger fluctuations and is considered to be riskier than VVIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSPIX | VVIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.93% | 2.57% | +0.36% |
Volatility (6M)Calculated over the trailing 6-month period | 8.99% | 7.59% | +1.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.88% | 10.09% | +1.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.88% | 13.91% | +2.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.02% | 16.74% | +1.28% |
BSPIX vs. VVIAX - Expense Ratio Comparison
BSPIX has a 0.10% expense ratio, which is higher than VVIAX's 0.05% 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
BSPIX vs. VVIAX - Dividend Comparison
BSPIX's dividend yield for the trailing twelve months is around 1.52%, less than VVIAX's 1.85% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSPIX iShares S&P 500 Index Fund Institutional Class | 1.52% | 1.66% | 1.35% | 1.44% | 1.94% | 1.76% | 1.60% | 1.92% | 1.94% | 1.57% | 2.30% | 2.42% |
VVIAX Vanguard Value Index Fund Admiral Shares | 1.85% | 2.04% | 2.30% | 2.45% | 2.51% | 2.14% | 2.55% | 2.49% | 2.72% | 2.29% | 2.45% | 2.60% |
Frequently Asked Questions
BSPIX and VVIAX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BSPIX has higher volatility (2.93%) compared to VVIAX (2.57%). In terms of maximum drawdown, BSPIX dropped -33.75% vs VVIAX's -59.32%.
VVIAX currently has the higher Sharpe Ratio (2.61 vs 2.36), 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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