TRSPX vs. VIIIX
TRSPX (Nuveen S&P 500 Index Fund Retirement Class) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both S&P 500 funds - TRSPX tracks the S&P 500 while VIIIX tracks the S&P 500 Index. Both are passively managed. Over the past 10 years, TRSPX returned 15.05%/yr vs 15.65%/yr for VIIIX. With a 1.00 correlation, they move nearly in lockstep. TRSPX charges 0.30%/yr vs 0.02%/yr for VIIIX.
Performance
TRSPX vs. VIIIX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with TRSPX having a 10.74% return and VIIIX slightly higher at 10.88%. Both investments have delivered pretty close results over the past 10 years, with TRSPX having a 15.05% annualized return and VIIIX not far ahead at 15.65%.
TRSPX
- 1D
- -0.74%
- 1M
- 4.14%
- YTD
- 10.74%
- 6M
- 10.61%
- 1Y
- 27.60%
- 3Y*
- 22.08%
- 5Y*
- 13.58%
- 10Y*
- 15.05%
VIIIX
- 1D
- -0.74%
- 1M
- 4.17%
- YTD
- 10.88%
- 6M
- 10.80%
- 1Y
- 28.02%
- 3Y*
- 22.87%
- 5Y*
- 14.05%
- 10Y*
- 15.65%
TRSPX vs. VIIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TRSPX Nuveen S&P 500 Index Fund Retirement Class | 10.74% | 17.50% | 24.64% | 25.90% | -18.34% | 28.32% | 18.08% | 31.06% | -4.72% | 19.52% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 10.88% | 17.87% | 26.29% | 25.79% | -18.14% | 28.69% | 18.41% | 31.48% | -4.41% | 21.82% |
Correlation
The correlation between TRSPX and VIIIX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 1.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 1.00 |
Correlation (5Y) Calculated over the trailing 5-year period | 1.00 |
Correlation (10Y) Calculated over the trailing 10-year period | 1.00 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2002 | 1.00 |
The correlation between TRSPX and VIIIX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.
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Return for Risk
TRSPX vs. VIIIX — Risk / Return Rank
TRSPX
VIIIX
TRSPX vs. VIIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Nuveen S&P 500 Index Fund Retirement Class (TRSPX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.
| TRSPX | VIIIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 1.43 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 3.12 | 3.17 | -0.05 |
| Martin ratioReturn relative to average drawdown | 14.50 | 14.79 | -0.29 |
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
| TRSPX | VIIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.34 | 2.37 | -0.03 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.81 | 0.84 | -0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.84 | 0.87 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.49 | +0.08 |
Drawdowns
TRSPX vs. VIIIX - Drawdown Comparison
The maximum TRSPX drawdown since its inception was -55.34%, roughly equal to the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for TRSPX and VIIIX.
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Drawdown Indicators
| TRSPX | VIIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.34% | -55.18% | -0.16% |
Max Drawdown (1Y)Largest decline over 1 year | -8.94% | -8.90% | -0.04% |
Max Drawdown (3Y)Largest decline over 3 years | -18.76% | -18.75% | -0.01% |
Max Drawdown (5Y)Largest decline over 5 years | -24.63% | -24.50% | -0.13% |
Max Drawdown (10Y)Largest decline over 10 years | -33.77% | -33.79% | +0.02% |
Current DrawdownCurrent decline from peak | -0.74% | -0.74% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -6.90% | -10.02% | +3.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.91% | 1.90% | +0.01% |
Volatility
TRSPX vs. VIIIX - Volatility Comparison
Nuveen S&P 500 Index Fund Retirement Class (TRSPX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) have volatilities of 2.92% and 2.93%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TRSPX | VIIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.92% | 2.93% | -0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 9.01% | 8.99% | +0.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.89% | 11.88% | +0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.89% | 16.89% | 0.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.06% | 18.06% | 0.00% |
TRSPX vs. VIIIX - Expense Ratio Comparison
TRSPX has a 0.30% expense ratio, which is higher than VIIIX's 0.02% expense ratio.
Dividends
TRSPX vs. VIIIX - Dividend Comparison
TRSPX's dividend yield for the trailing twelve months is around 1.94%, less than VIIIX's 2.43% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TRSPX Nuveen S&P 500 Index Fund Retirement Class | 1.94% | 2.15% | 1.30% | 1.26% | 1.66% | 1.55% | 1.33% | 1.95% | 2.67% | 0.36% | 2.18% | 0.65% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 2.43% | 2.11% | 3.66% | 2.66% | 3.39% | 4.79% | 3.07% | 2.86% | 2.45% | 1.84% | 2.38% | 2.47% |
Frequently Asked Questions
With a correlation of 1.00, TRSPX and VIIIX 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.
VIIIX has higher volatility (2.93%) compared to TRSPX (2.92%). In terms of maximum drawdown, TRSPX dropped -55.34% vs VIIIX's -55.18%.
VIIIX currently has the higher Sharpe Ratio (2.37 vs 2.34), 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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