BSPIX vs. VWNEX
BSPIX (iShares S&P 500 Index Fund Institutional Class) and VWNEX (Vanguard Windsor Fund Admiral Shares) are both mutual funds - BSPIX is a S&P 500 fund tracking the S&P 500 Index, while VWNEX is a Large Cap Value Equities fund actively managed by Vanguard. BSPIX is passively managed, while VWNEX is actively managed. Over the past 10 years, BSPIX returned 14.80%/yr vs 12.22%/yr for VWNEX. Their correlation of 0.85 means they have usually moved in the same direction. BSPIX charges 0.10%/yr vs 0.18%/yr for VWNEX.
Performance
BSPIX vs. VWNEX - Performance Comparison
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Returns By Period
In the year-to-date period, BSPIX achieves a 9.29% return, which is significantly lower than VWNEX's 12.28% return. Over the past 10 years, BSPIX has outperformed VWNEX with an annualized return of 14.80%, while VWNEX has yielded a comparatively lower 12.22% annualized return.
BSPIX
- 1D
- 1.66%
- 1M
- -0.56%
- 6M
- 7.74%
- YTD
- 9.29%
- 1Y
- 20.49%
- 3Y*
- 18.91%
- 5Y*
- 12.58%
- 10Y*
- 14.80%
- ALL TIME*
- 13.58%
VWNEX
- 1D
- 0.71%
- 1M
- 2.24%
- 6M
- 9.23%
- YTD
- 12.28%
- 1Y
- 25.42%
- 3Y*
- 12.84%
- 5Y*
- 10.79%
- 10Y*
- 12.22%
- ALL TIME*
- 8.74%
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 |
BSPIX vs. VWNEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSPIX iShares S&P 500 Index Fund Institutional Class | 9.29% | 17.75% | 24.85% | 26.17% | -18.20% | 28.55% | 18.35% | 31.35% | -4.87% | 21.20% |
VWNEX Vanguard Windsor Fund Admiral Shares | 12.28% | 13.40% | 9.64% | 15.11% | -3.05% | 27.92% | 7.45% | 30.53% | -12.39% | 18.19% |
Correlation
The correlation between BSPIX and VWNEX is 0.70, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.70 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.81 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.83 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2014 | 0.85 |
The correlation between BSPIX and VWNEX shifts across timeframes, from 0.70 (1 year) to 0.85 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
BSPIX vs. VWNEX — Risk / Return Rank
BSPIX
VWNEX
BSPIX vs. VWNEX - 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 Windsor Fund Admiral Shares (VWNEX). 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.
| BSPIX | VWNEX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.37 | ||
| Sortino ratioReturn per unit of downside risk | -0.62 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.32 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 2.04 | 2.81 | -0.76 |
| Martin ratioReturn relative to average drawdown | 8.77 | 10.36 | -1.59 |
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Drawdowns
BSPIX vs. VWNEX - Drawdown Comparison
The maximum BSPIX drawdown since its inception was -33.75%, smaller than the maximum VWNEX drawdown of -61.41%. Use the drawdown chart below to compare losses from any high point for BSPIX and VWNEX.
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Drawdown Indicators
| BSPIX | VWNEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.75% | -61.41% | +27.66% |
Max Drawdown (1Y)Largest decline over 1 year | -8.91% | -7.89% | -1.02% |
Max Drawdown (3Y)Largest decline over 3 years | -18.74% | -21.72% | +2.98% |
Max Drawdown (5Y)Largest decline over 5 years | -24.55% | -21.72% | -2.83% |
Max Drawdown (10Y)Largest decline over 10 years | -33.75% | -40.12% | +6.37% |
Current DrawdownCurrent decline from peak | -2.12% | -0.23% | -1.89% |
Average DrawdownAverage peak-to-trough decline | -3.91% | -9.79% | +5.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.08% | 2.15% | -0.07% |
Volatility
BSPIX vs. VWNEX - Volatility Comparison
iShares S&P 500 Index Fund Institutional Class (BSPIX) has a higher volatility of 3.44% compared to Vanguard Windsor Fund Admiral Shares (VWNEX) at 3.25%. This indicates that BSPIX's price experiences larger fluctuations and is considered to be riskier than VWNEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSPIX | VWNEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.44% | 3.25% | +0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 10.09% | 8.79% | +1.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.85% | 12.38% | +0.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.00% | 17.25% | -0.25% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.03% | 19.50% | -1.47% |
BSPIX vs. VWNEX - Expense Ratio Comparison
BSPIX has a 0.10% expense ratio, which is lower than VWNEX's 0.18% expense ratio. Despite the difference, 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. VWNEX - Dividend Comparison
BSPIX's dividend yield for the trailing twelve months is around 1.60%, less than VWNEX's 6.94% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSPIX iShares S&P 500 Index Fund Institutional Class | 1.60% | 1.66% | 1.35% | 1.44% | 1.94% | 1.76% | 1.60% | 1.92% | 1.94% | 1.57% | 2.30% | 2.42% |
VWNEX Vanguard Windsor Fund Admiral Shares | 6.94% | 7.90% | 12.60% | 8.34% | 15.50% | 11.57% | 8.47% | 10.36% | 13.30% | 3.56% | 4.99% | 8.62% |
Frequently Asked Questions
BSPIX and VWNEX have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BSPIX has higher volatility (3.44%) compared to VWNEX (3.25%). In terms of maximum drawdown, BSPIX dropped -33.75% vs VWNEX's -61.41%.
VWNEX currently has the higher Sharpe Ratio (1.79 vs 1.42), 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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