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AGGY vs. SPY
Performance
Return for Risk
Drawdowns
Volatility
Dividends

AGGY vs. SPY

Last updated Jun 3, 2026

AGGY (WisdomTree Yield Enhanced U.S. Aggregate Bond Fund) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - AGGY is a Intermediate Core Bond fund tracking the Bloomberg US Aggregate Yield Enhanced, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, AGGY returned 1.74%/yr vs 15.57%/yr for SPY. At a 0.06 correlation, their price movements are largely independent. AGGY charges 0.12%/yr vs 0.09%/yr for SPY.

Performance

AGGY vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree Yield Enhanced U.S. Aggregate Bond Fund (AGGY) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, AGGY achieves a 0.61% return, which is significantly lower than SPY's 11.69% return. Over the past 10 years, AGGY has underperformed SPY with an annualized return of 1.74%, while SPY has yielded a comparatively higher 15.57% annualized return.

AGGY

1D
0.00%
1M
0.37%
YTD
0.61%
6M
0.63%
1Y
6.07%
3Y*
4.72%
5Y*
0.25%
10Y*
1.74%

SPY

1D
0.14%
1M
5.40%
YTD
11.69%
6M
12.09%
1Y
29.62%
3Y*
22.64%
5Y*
14.20%
10Y*
15.57%
*Multi-year figures are annualized to reflect compound growth (CAGR)

AGGY vs. SPY - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
AGGY
WisdomTree Yield Enhanced U.S. Aggregate Bond Fund		0.61%7.38%1.82%7.29%-15.26%-1.72%5.87%11.77%-1.70%5.20%
SPY
State Street SPDR S&P 500 ETF		11.69%17.72%24.89%26.18%-18.18%28.73%18.33%31.22%-4.57%21.71%

Correlation

The correlation between AGGY and SPY is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

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

0.33

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

0.27

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

0.21

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

0.08

Correlation (All Time)
Calculated using the full available price history since Jul 10, 2015

0.06

Over the past year, AGGY and SPY have become more correlated (0.33) than their long-term average of 0.06, meaning their price movements have been converging.

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WisdomTree Yield Enhanced U.S. Aggregate Bond Fund

State Street SPDR S&P 500 ETF

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Return for Risk

AGGY vs. SPY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
AGGY
AGGY Risk / Return Rank: 4040
Overall Rank
AGGY Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
AGGY Sortino Ratio Rank: 4242
Sortino Ratio Rank
AGGY Omega Ratio Rank: 3838
Omega Ratio Rank
AGGY Calmar Ratio Rank: 4141
Calmar Ratio Rank
AGGY Martin Ratio Rank: 3838
Martin Ratio Rank
SPY
SPY Risk / Return Rank: 7575
Overall Rank
SPY Sharpe Ratio Rank: 7777
Sharpe Ratio Rank
SPY Sortino Ratio Rank: 7575
Sortino Ratio Rank
SPY Omega Ratio Rank: 7676
Omega Ratio Rank
SPY Calmar Ratio Rank: 6868
Calmar Ratio Rank
SPY Martin Ratio Rank: 8080
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.

AGGY vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Yield Enhanced U.S. Aggregate Bond Fund (AGGY) and State Street 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.

AGGYSPYDifference

Sharpe ratio

Return per unit of total volatility

1.45

2.52

-1.08

Sortino ratio

Return per unit of downside risk

2.16

3.42

-1.26

Omega ratio

Gain probability vs. loss probability

1.25

1.46

-0.21

Calmar ratio

Return relative to maximum drawdown

2.07

3.42

-1.34

Martin ratio

Return relative to average drawdown

6.12

15.93

-9.80

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

AGGY vs. SPY - Sharpe Ratio Comparison

The current AGGY Sharpe Ratio is 1.45, which is lower than the SPY Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of AGGY and SPY, 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

AGGYSPYDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.45

2.52

-1.08

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.04

0.84

-0.80

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.32

0.87

-0.55

Sharpe Ratio (All Time)

Calculated using the full available price history

0.38

0.59

-0.20

Drawdowns

AGGY vs. SPY - Drawdown Comparison

The maximum AGGY drawdown since its inception was -20.98%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for AGGY and SPY.

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Drawdown Indicators

AGGYSPYDifference

Max Drawdown

Largest peak-to-trough decline

-20.98%

-55.19%

+34.21%

Max Drawdown (1Y)

Largest decline over 1 year

-2.81%

-8.88%

+6.07%

Max Drawdown (3Y)

Largest decline over 3 years

-5.40%

-18.76%

+13.36%

Max Drawdown (5Y)

Largest decline over 5 years

-20.60%

-24.50%

+3.90%

Max Drawdown (10Y)

Largest decline over 10 years

-20.98%

-33.72%

+12.74%

Current Drawdown

Current decline from peak

-2.15%

0.00%

-2.15%

Average Drawdown

Average peak-to-trough decline

-5.03%

-9.05%

+4.02%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.95%

1.91%

-0.96%

Volatility

AGGY vs. SPY - Volatility Comparison

The current volatility for WisdomTree Yield Enhanced U.S. Aggregate Bond Fund (AGGY) is 1.44%, while State Street SPDR S&P 500 ETF (SPY) has a volatility of 2.75%. This indicates that AGGY 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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Volatility by Period

AGGYSPYDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.44%

2.75%

-1.31%

Volatility (6M)

Calculated over the trailing 6-month period

3.08%

8.89%

-5.81%

Volatility (1Y)

Calculated over the trailing 1-year period

4.22%

11.81%

-7.59%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

6.07%

17.05%

-10.98%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

5.49%

17.94%

-12.45%

AGGY vs. SPY - Expense Ratio Comparison

AGGY has a 0.12% expense ratio, which is higher than SPY's 0.09% 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

AGGY vs. SPY - Dividend Comparison

AGGY's dividend yield for the trailing twelve months is around 4.48%, more than SPY's 0.97% yield.

PositionTTM20252024202320222021202020192018201720162015
AGGY
WisdomTree Yield Enhanced U.S. Aggregate Bond Fund		4.48%4.48%4.38%3.78%2.77%2.10%2.96%3.02%3.36%2.78%3.19%1.27%
SPY
State Street SPDR S&P 500 ETF		0.97%1.07%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%

Frequently Asked Questions

AGGY and SPY have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

SPY has higher volatility (2.75%) compared to AGGY (1.44%). In terms of maximum drawdown, AGGY dropped -20.98% vs SPY's -55.19%.

On 10-year performance, SPY leads with 15.57% vs 1.74% for AGGY. On fees, SPY is cheaper at 0.09% per year. On volatility, AGGY has been the lower-risk option at 1.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, SPY has performed better with a 15.57% return vs 1.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

SPY is cheaper with a 0.09% expense ratio, compared with 0.12% for AGGY.

AGGY has the higher dividend yield at 4.48%, compared with 0.97% for SPY.

AGGY is categorized as Intermediate Core Bond, while SPY is S&P 500. AGGY tracks Bloomberg US Aggregate Yield Enhanced, while SPY tracks S&P 500 Index. They also come from different issuers: WisdomTree and State Street. Their fees differ too: 0.12% for AGGY and 0.09% for SPY.

SPY currently has the higher Sharpe Ratio (2.52 vs 1.45), 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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