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IGLB vs. VOO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IGLB vs. VOO

Last updated Jun 4, 2026

IGLB (iShares 10+ Year Investment Grade Corporate Bond ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - IGLB is a Corporate Bonds fund tracking the ICE BofAML10+ Year US Corporate Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, IGLB returned 2.28%/yr vs 15.56%/yr for VOO. At a 0.04 correlation, their price movements are largely independent. IGLB charges 0.06%/yr vs 0.03%/yr for VOO.

Performance

IGLB vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IGLB achieves a 0.84% return, which is significantly lower than VOO's 10.91% return. Over the past 10 years, IGLB has underperformed VOO with an annualized return of 2.28%, while VOO has yielded a comparatively higher 15.56% annualized return.

IGLB

1D
-0.32%
1M
1.42%
YTD
0.84%
6M
-0.11%
1Y
7.79%
3Y*
4.53%
5Y*
-1.66%
10Y*
2.28%

VOO

1D
-0.70%
1M
5.04%
YTD
10.91%
6M
10.93%
1Y
28.04%
3Y*
22.44%
5Y*
13.90%
10Y*
15.56%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IGLB vs. VOO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IGLB
iShares 10+ Year Investment Grade Corporate Bond ETF		0.84%7.53%-1.50%11.03%-25.38%-1.68%13.30%23.19%-6.90%12.15%
VOO
Vanguard S&P 500 ETF		10.91%17.82%24.98%26.32%-18.17%28.79%18.32%31.37%-4.50%21.77%

Correlation

The correlation between IGLB and VOO is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

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

0.39

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

0.34

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

0.31

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

0.20

Correlation (All Time)
Calculated using the full available price history since Sep 10, 2010

0.04

Over the past year, IGLB and VOO have become more correlated (0.39) than their long-term average of 0.04, meaning their price movements have been converging.

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iShares 10+ Year Investment Grade Corporate Bond ETF

Vanguard S&P 500 ETF

Often compared with IGLB:
IGLB vs. VCLTIGLB vs. IGEBIGLB vs. SGOVIGLB vs. TLTIGLB vs. SPLBIGLB vs. LQDIGLB vs. GTO
Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. IVV

Return for Risk

IGLB vs. VOO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IGLB
IGLB Risk / Return Rank: 2727
Overall Rank
IGLB Sharpe Ratio Rank: 2727
Sharpe Ratio Rank
IGLB Sortino Ratio Rank: 2727
Sortino Ratio Rank
IGLB Omega Ratio Rank: 2525
Omega Ratio Rank
IGLB Calmar Ratio Rank: 3131
Calmar Ratio Rank
IGLB Martin Ratio Rank: 2727
Martin Ratio Rank
VOO
VOO Risk / Return Rank: 7070
Overall Rank
VOO Sharpe Ratio Rank: 7171
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 7070
Sortino Ratio Rank
VOO Omega Ratio Rank: 7070
Omega Ratio Rank
VOO Calmar Ratio Rank: 6262
Calmar Ratio Rank
VOO Martin Ratio Rank: 7575
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.

IGLB vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) and Vanguard S&P 500 ETF (VOO). 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.

IGLBVOODifference
Sharpe ratioReturn per unit of total volatility
1.00
2.39

-1.39

Sortino ratioReturn per unit of downside risk
1.46
3.25

-1.79

Omega ratioGain probability vs. loss probability

1.17

1.43

-0.26

Calmar ratioReturn relative to maximum drawdown

1.51

3.16

-1.66

Martin ratioReturn relative to average drawdown

3.79

14.73

-10.94

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IGLB vs. VOO - Sharpe Ratio Comparison

The current IGLB Sharpe Ratio is 1.00, which is lower than the VOO Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of IGLB and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

IGLBVOODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.00

2.39

-1.39

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

-0.13

0.83

-0.97

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.18

0.87

-0.68

Sharpe Ratio (All Time)

Calculated using the full available price history

0.38

0.89

-0.51

Drawdowns

IGLB vs. VOO - Drawdown Comparison

The maximum IGLB drawdown since its inception was -34.12%, roughly equal to the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for IGLB and VOO.

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Drawdown Indicators

IGLBVOODifference

Max Drawdown

Largest peak-to-trough decline

-34.12%

-33.99%

-0.13%

Max Drawdown (1Y)

Largest decline over 1 year

-5.19%

-8.90%

+3.71%

Max Drawdown (3Y)

Largest decline over 3 years

-12.87%

-18.69%

+5.82%

Max Drawdown (5Y)

Largest decline over 5 years

-34.12%

-24.52%

-9.60%

Max Drawdown (10Y)

Largest decline over 10 years

-34.12%

-33.99%

-0.13%

Current Drawdown

Current decline from peak

-13.70%

-0.70%

-13.00%

Average Drawdown

Average peak-to-trough decline

-8.11%

-3.69%

-4.42%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.06%

1.91%

+0.15%

Volatility

IGLB vs. VOO - Volatility Comparison

The current volatility for iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) is 2.32%, while Vanguard S&P 500 ETF (VOO) has a volatility of 2.84%. This indicates that IGLB experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IGLBVOODifference

Volatility (1M)

Calculated over the trailing 1-month period

2.32%

2.84%

-0.52%

Volatility (6M)

Calculated over the trailing 6-month period

5.70%

8.90%

-3.20%

Volatility (1Y)

Calculated over the trailing 1-year period

7.84%

11.80%

-3.96%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

12.39%

16.81%

-4.42%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

12.53%

18.01%

-5.48%

IGLB vs. VOO - Expense Ratio Comparison

IGLB has a 0.06% expense ratio, which is higher than VOO's 0.03% 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

IGLB vs. VOO - Dividend Comparison

IGLB's dividend yield for the trailing twelve months is around 5.26%, more than VOO's 1.03% yield.

PositionTTM20252024202320222021202020192018201720162015
IGLB
iShares 10+ Year Investment Grade Corporate Bond ETF		5.26%5.14%5.10%4.59%4.56%3.16%3.22%3.73%4.56%3.94%4.21%4.58%
VOO
Vanguard S&P 500 ETF		1.03%1.13%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%

Frequently Asked Questions

IGLB and VOO have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VOO has higher volatility (2.84%) compared to IGLB (2.32%). In terms of maximum drawdown, IGLB dropped -34.12% vs VOO's -33.99%.

On 10-year performance, VOO leads with 15.56% vs 2.28% for IGLB. On fees, VOO is cheaper at 0.03% per year. On volatility, IGLB has been the lower-risk option at 2.32%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, VOO has performed better with a 15.56% return vs 2.28%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

VOO is cheaper with a 0.03% expense ratio, compared with 0.06% for IGLB.

IGLB has the higher dividend yield at 5.26%, compared with 1.03% for VOO.

IGLB is categorized as Corporate Bonds, while VOO is S&P 500. IGLB tracks ICE BofAML10+ Year US Corporate Index, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.06% for IGLB and 0.03% for VOO.

VOO currently has the higher Sharpe Ratio (2.39 vs 1.00), 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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