PortfoliosLab logoPortfoliosLab logo
401a_d
Performance
Return for Risk
Dividends
Drawdowns
Volatility
Diversification

Asset Allocation


S&P 500 Index

Portfolio Optimizer

Find the right asset allocation for 401a_d

Add portfolio to the optimizer to find optimal allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer

Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in 401a_d, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends. The portfolio is rebalanced Every 3 months.


Loading charts...

Returns By Period

As of Jun 13, 2026, the 401a_d returned 9.03% Year-To-Date and 13.59% of annualized return in the last 10 years.


Position1D1MYTD6M1Y3Y*5Y*10Y*
Benchmark
S&P 500 Index
0.50%-0.93%8.56%8.85%24.33%19.37%11.84%13.61%
Portfolio
401a_d
1.81%0.28%9.03%8.65%21.83%18.66%10.54%13.59%
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
1.75%-1.31%8.59%8.94%25.18%21.47%13.48%15.51%
VMCIX
Vanguard Mid-Cap Index Fund Institutional Shares
1.86%1.98%9.39%8.27%18.41%15.77%7.58%11.62%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since May 21, 1998, 401a_d's average daily return is +0.04%, while the average monthly return is +0.88%. At this rate, an investment would double in approximately 6.6 years.

Historically, 63% of months were positive and 37% were negative. The best month was Apr 2020 with a return of +13.6%, while the worst month was Oct 2008 at -19.4%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 5 months.

On a daily basis, 401a_d closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +11.7%, while the worst single day was Mar 16, 2020 at -12.3%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20261.77%1.30%-5.40%9.10%3.69%-1.16%9.03%
20253.61%-1.59%-4.80%-0.81%5.89%4.55%2.13%1.78%2.63%0.69%0.35%-0.12%14.77%
2024-0.15%5.18%3.73%-4.42%3.85%1.52%2.63%2.48%2.34%-0.67%7.08%-4.13%20.48%
20237.12%-2.57%1.07%0.41%-1.09%7.49%3.37%-2.59%-4.83%-3.41%9.56%6.08%21.12%
2022-6.52%-2.01%3.22%-8.39%-0.07%-8.83%9.42%-3.53%-9.54%8.31%5.87%-5.56%-18.41%
2021-0.77%4.01%3.36%5.08%0.76%2.07%1.83%3.02%-4.40%6.81%-1.61%4.20%26.61%

Benchmark Metrics

401a_d has an annualized alpha of 2.51%, beta of 1.01, and R2 of 0.97 versus S&P 500 Index. Calculated based on daily prices since May 21, 1998.

  • This portfolio captured 109.76% of S&P 500 Index gains but only 97.72% of its losses - a favorable profile for investors.
  • This portfolio generated an annualized alpha of 2.51% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
  • With beta of 1.01 and R2 of 0.97, this portfolio moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.

Alpha
2.51%
Beta
1.01
0.97
Upside Capture
109.76%
Downside Capture
97.72%

Expense Ratio

401a_d has an expense ratio of 0.03%, which is considered low. Below, you can find the expense ratios of the portfolio's funds side by side and easily compare their relative costs.


Return for Risk

Risk / Return Rank

401a_d ranks 39 for risk / return — below 39% of Portfolios on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


401a_d Risk / Return Rank: 3939
Overall Rank
401a_d Sharpe Ratio Rank: 3434
Sharpe Ratio Rank
401a_d Sortino Ratio Rank: 3434
Sortino Ratio Rank
401a_d Omega Ratio Rank: 3434
Omega Ratio Rank
401a_d Calmar Ratio Rank: 4242
Calmar Ratio Rank
401a_d Martin Ratio Rank: 5151
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below presents risk-adjusted performance metrics for 401a_d and compares them with S&P 500 Index.

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.


PortfolioBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

1.74

1.86

-0.12

Sortino ratioReturn per unit of downside risk

2.40

2.53

-0.13

Omega ratioGain probability vs. loss probability

1.31

1.34

-0.03

Calmar ratioReturn relative to maximum drawdown

2.59

2.53

+0.05

Martin ratioReturn relative to average drawdown

11.18

11.37

-0.19


How much return does each position deliver for the risk it carries? Higher values mean better reward for the risk taken.

PositionRisk / Return RankSharpe ratioSortino ratioOmega ratioCalmar ratioMartin ratio
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
65
1.972.671.362.7412.45
VMCIX
Vanguard Mid-Cap Index Fund Institutional Shares
34
1.381.971.242.158.09

Sharpe Ratio

The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.

The current 401a_d Sharpe ratio is 1.74 as of Jun 13, 2026 (the value is recalculated daily), calculated over the past 12 months.

Compared to the broad market, where average Sharpe ratios range from 1.53 to 2.41, this portfolio's current Sharpe ratio falls between the 25th and 75th percentiles. This indicates that its risk-adjusted performance is in line with the majority of portfolios, suggesting a balanced approach to risk and return—likely suitable for a wide range of investors.

The chart below shows the rolling Sharpe ratio of 401a_d compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.


Loading charts...

Dividends

Dividend yield

401a_d provided a 1.92% dividend yield over the last twelve months.


PositionTTM20252024202320222021202020192018201720162015
Portfolio1.92%1.82%2.58%2.09%2.50%2.95%2.26%2.17%2.14%1.60%1.92%1.97%
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
2.48%2.11%3.66%2.66%3.39%4.79%3.07%2.86%2.45%1.84%2.38%2.47%
VMCIX
Vanguard Mid-Cap Index Fund Institutional Shares
1.37%1.52%1.49%1.51%1.60%1.12%1.45%1.48%1.83%1.36%1.46%1.48%

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


Loading charts...

Worst Drawdowns

The table below displays the maximum drawdowns of the 401a_d. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the 401a_d was 56.70%, occurring on Mar 9, 2009. Recovery took 539 trading sessions.

The current 401a_d drawdown is 1.95%.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-56.70%Mar 2009
1y 7mo2y 1mo
3y 9moJul 2007 - Apr 2011
Dot-com crash2000–2002
-39.47%Oct 2002
2y 1mo2y 1mo
4y 2moSep 2000 - Nov 2004
COVID crash2020
-36.54%Mar 2020
1mo 2d5mo 6d
6mo 8dFeb 2020 - Aug 2020
Bear market2022
-25.21%Oct 2022
9mo 18d1y 3mo
2y 1moDec 2021 - Feb 2024
1998 bear market1998
-22.40%Oct 1998
2mo 20d2mo 16d
5mo 6dJul 1998 - Dec 1998

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


Loading charts...

Diversification

Diversification Metrics


Number of Effective Assets

The portfolio contains 2 assets, with an effective number of assets of 2.00, reflecting the diversification based on asset allocation. Your capital is spread almost evenly across your holdings, indicating a well-balanced allocation. Note that true diversification also depends on the correlations between assets — check the diversification ratio below.


Diversification Ratio
1Y
3Y
5Y
10Y
All Time
Diversification Ratio

1.04

1.03

1.02

1.01

1.01

The portfolio has a diversification ratio of 1.01, placing it in the bottom quartile across portfolios — positions are highly correlated. Consider adding assets from different classes or sectors to reduce risk.

401a_d correlation to the S&P 500 Index

401a_d has a 0.94 correlation to S&P 500 Index over the trailing 12 months. This section compares each holding's correlation to the benchmark and to the portfolio.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.94

Correlation (3Y)
Calculated over the trailing 3-year period

0.95

Correlation (5Y)
Calculated over the trailing 5-year period

0.97

Correlation (10Y)
Calculated over the trailing 10-year period

0.97

Correlation (All Time)
Calculated using the full available price history since May 21, 1998

0.97


Benchmark Correlations

Correlation vs. S&P 500 Index. VIIIX has the highest benchmark correlation at 1.00, while VMCIX has the lowest at 0.91.

VMCIX
0.91
VIIIX
1.00

Portfolio Correlations

Correlation vs. 401a_d. VMCIX has the highest portfolio correlation at 0.98, while VIIIX has the lowest at 0.97.

VIIIX
0.97
VMCIX
0.98

Asset Correlations Table

The table below displays the correlation coefficients between the individual components of the portfolio, the entire portfolio, and the chosen benchmark.

VMCIXVIIIX
VMCIX1.000.91
VIIIX0.911.00
The correlation results are calculated based on daily price changes starting from May 21, 1998
Diversification Analysis

Find what 401a_d is missing

See which holdings overlap, where 401a_d is concentrated, and which low-correlation assets could fill the gaps.

Analyze Diversification