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VMBIX vs. SPY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between VMBIX and SPY is -0.09. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


Performance

VMBIX vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Mortgage-Backed Securities Index Fund Institutional Shares (VMBIX) and SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

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Key characteristics

Sharpe Ratio

VMBIX:

1.12

SPY:

0.70

Sortino Ratio

VMBIX:

1.66

SPY:

1.02

Omega Ratio

VMBIX:

1.20

SPY:

1.15

Calmar Ratio

VMBIX:

0.55

SPY:

0.68

Martin Ratio

VMBIX:

2.89

SPY:

2.57

Ulcer Index

VMBIX:

2.09%

SPY:

4.93%

Daily Std Dev

VMBIX:

5.36%

SPY:

20.42%

Max Drawdown

VMBIX:

-17.47%

SPY:

-55.19%

Current Drawdown

VMBIX:

-5.26%

SPY:

-3.55%

Returns By Period

In the year-to-date period, VMBIX achieves a 2.15% return, which is significantly higher than SPY's 0.87% return. Over the past 10 years, VMBIX has underperformed SPY with an annualized return of 0.90%, while SPY has yielded a comparatively higher 12.73% annualized return.


VMBIX

YTD

2.15%

1M

-0.84%

6M

0.57%

1Y

5.59%

3Y*

1.29%

5Y*

-1.01%

10Y*

0.90%

SPY

YTD

0.87%

1M

5.54%

6M

-1.56%

1Y

13.18%

3Y*

14.25%

5Y*

15.81%

10Y*

12.73%

*Annualized

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VMBIX vs. SPY - Expense Ratio Comparison

VMBIX has a 0.05% expense ratio, which is lower than SPY's 0.09% 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%.


Go deeper with the Portfolio Analysis tool — backtest performance, assess risk, compare to benchmarks, and more

Risk-Adjusted Performance

VMBIX vs. SPY — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VMBIX
The Risk-Adjusted Performance Rank of VMBIX is 6969
Overall Rank
The Sharpe Ratio Rank of VMBIX is 7878
Sharpe Ratio Rank
The Sortino Ratio Rank of VMBIX is 8181
Sortino Ratio Rank
The Omega Ratio Rank of VMBIX is 7676
Omega Ratio Rank
The Calmar Ratio Rank of VMBIX is 5050
Calmar Ratio Rank
The Martin Ratio Rank of VMBIX is 6363
Martin Ratio Rank

SPY
The Risk-Adjusted Performance Rank of SPY is 6262
Overall Rank
The Sharpe Ratio Rank of SPY is 6060
Sharpe Ratio Rank
The Sortino Ratio Rank of SPY is 5959
Sortino Ratio Rank
The Omega Ratio Rank of SPY is 6262
Omega Ratio Rank
The Calmar Ratio Rank of SPY is 6565
Calmar Ratio Rank
The Martin Ratio Rank of SPY is 6363
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

VMBIX vs. SPY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities Index Fund Institutional Shares (VMBIX) and SPDR S&P 500 ETF (SPY). 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.


The current VMBIX Sharpe Ratio is 1.12, which is higher than the SPY Sharpe Ratio of 0.70. The chart below compares the historical Sharpe Ratios of VMBIX and SPY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Go to the full Sharpe Ratio tool to analyze any stock or portfolio. Customize time frames, set your own risk-free rate, and more

Dividends

VMBIX vs. SPY - Dividend Comparison

VMBIX's dividend yield for the trailing twelve months is around 3.81%, more than SPY's 1.22% yield.


TTM20242023202220212020201920182017201620152014
VMBIX
Vanguard Mortgage-Backed Securities Index Fund Institutional Shares
3.81%3.95%3.30%2.33%1.01%2.01%2.77%2.74%2.18%2.12%2.04%1.91%
SPY
SPDR S&P 500 ETF
1.22%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%1.87%

Drawdowns

VMBIX vs. SPY - Drawdown Comparison

The maximum VMBIX drawdown since its inception was -17.47%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for VMBIX and SPY.


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Go to the full Drawdowns tool for more analysis options, including inflation-adjusted drawdowns, and more

Volatility

VMBIX vs. SPY - Volatility Comparison

The current volatility for Vanguard Mortgage-Backed Securities Index Fund Institutional Shares (VMBIX) is 1.42%, while SPDR S&P 500 ETF (SPY) has a volatility of 4.86%. This indicates that VMBIX experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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