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UBU9.DE vs. FXAIX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

UBU9.DE vs. FXAIX

Last updated Apr 2, 2026

Compare and contrast key facts about UBS Core S&P 500 UCITS ETF USD dis (UBU9.DE) and Fidelity 500 Index Fund (FXAIX).

UBU9.DE is a passively managed fund by UBS that tracks the performance of the S&P 500. It was launched on Aug 5, 2025. FXAIX is a passively managed fund by Fidelity that tracks the performance of the S&P 500 Index. It was launched on Feb 17, 1988. Both UBU9.DE and FXAIX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

UBU9.DE vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in UBS Core S&P 500 UCITS ETF USD dis (UBU9.DE) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

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UBU9.DE vs. FXAIX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
UBU9.DE
UBS Core S&P 500 UCITS ETF USD dis		-3.10%4.68%32.18%22.24%-14.31%40.34%6.45%34.24%-1.39%6.52%
FXAIX
Fidelity 500 Index Fund		-2.17%3.86%33.27%22.50%-13.06%38.33%8.66%34.45%0.06%6.85%
Different Trading Currencies

UBU9.DE is traded in EUR, while FXAIX is traded in USD. To make them comparable, the FXAIX values have been converted to EUR using the latest available exchange rates.

Returns By Period

In the year-to-date period, UBU9.DE achieves a -3.10% return, which is significantly lower than FXAIX's -2.17% return. Both investments have delivered pretty close results over the past 10 years, with UBU9.DE having a 13.44% annualized return and FXAIX not far ahead at 13.99%.

UBU9.DE

1D
1.72%
1M
-3.11%
YTD
-3.10%
6M
-0.00%
1Y
10.10%
3Y*
15.95%
5Y*
11.96%
10Y*
13.44%

FXAIX

1D
0.61%
1M
-3.07%
YTD
-2.17%
6M
-0.20%
1Y
9.87%
3Y*
16.05%
5Y*
12.35%
10Y*
13.99%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

UBS Core S&P 500 UCITS ETF USD dis

Fidelity 500 Index Fund

Often compared with UBU9.DE:
UBU9.DE vs. VUSA.DEUBU9.DE vs. VGKUBU9.DE vs. VOOUBU9.DE vs. SPYL.DEUBU9.DE vs. SPX5.LUBU9.DE vs. IBCK.DEUBU9.DE vs. 4UBQ.DE
Often compared with FXAIX:
FXAIX vs. VOOFXAIX vs. SPYFXAIX vs. FZROXFXAIX vs. FSKAXFXAIX vs. FNILXFXAIX vs. FSPGXFXAIX vs. FCNTX

UBU9.DE vs. FXAIX - Expense Ratio Comparison

UBU9.DE has a 0.03% expense ratio, which is higher than FXAIX's 0.02% 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%.

UBU9.DE
UBS Core S&P 500 UCITS ETF USD dis
FXAIX
Fidelity 500 Index Fund

Return for Risk

UBU9.DE vs. FXAIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
UBU9.DE
UBU9.DE Risk / Return Rank: 3333
Overall Rank
UBU9.DE Sharpe Ratio Rank: 2929
Sharpe Ratio Rank
UBU9.DE Sortino Ratio Rank: 2828
Sortino Ratio Rank
UBU9.DE Omega Ratio Rank: 3030
Omega Ratio Rank
UBU9.DE Calmar Ratio Rank: 3939
Calmar Ratio Rank
UBU9.DE Martin Ratio Rank: 4040
Martin Ratio Rank
FXAIX
FXAIX Risk / Return Rank: 5050
Overall Rank
FXAIX Sharpe Ratio Rank: 4242
Sharpe Ratio Rank
FXAIX Sortino Ratio Rank: 4545
Sortino Ratio Rank
FXAIX Omega Ratio Rank: 4949
Omega Ratio Rank
FXAIX Calmar Ratio Rank: 5050
Calmar Ratio Rank
FXAIX Martin Ratio Rank: 6262
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.

UBU9.DE vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for UBS Core S&P 500 UCITS ETF USD dis (UBU9.DE) and Fidelity 500 Index Fund (FXAIX). 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.

UBU9.DEFXAIXDifference

Sharpe ratio

Return per unit of total volatility

0.59

0.50

+0.09

Sortino ratio

Return per unit of downside risk

0.89

0.82

+0.08

Omega ratio

Gain probability vs. loss probability

1.13

1.13

0.00

Calmar ratio

Return relative to maximum drawdown

1.20

0.76

+0.44

Martin ratio

Return relative to average drawdown

4.33

3.21

+1.12

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

UBU9.DE vs. FXAIX - Sharpe Ratio Comparison

The current UBU9.DE Sharpe Ratio is 0.59, which is comparable to the FXAIX Sharpe Ratio of 0.50. The chart below compares the historical Sharpe Ratios of UBU9.DE and FXAIX, 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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Sharpe Ratios by Period

UBU9.DEFXAIXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.59

0.50

+0.09

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.78

0.74

+0.04

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.83

0.75

+0.07

Sharpe Ratio (All Time)

Calculated using the full available price history

0.87

0.85

+0.03

Correlation

The correlation between UBU9.DE and FXAIX is 0.62, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

UBU9.DE vs. FXAIX - Dividend Comparison

UBU9.DE's dividend yield for the trailing twelve months is around 0.92%, less than FXAIX's 1.16% yield.

TTM20252024202320222021202020192018201720162015
UBU9.DE
UBS Core S&P 500 UCITS ETF USD dis		0.92%0.90%0.88%1.05%1.22%0.75%1.23%1.21%1.30%1.35%1.51%1.38%
FXAIX
Fidelity 500 Index Fund		1.16%1.11%1.25%1.45%1.69%1.22%1.60%2.06%2.72%1.97%2.52%2.83%

Drawdowns

UBU9.DE vs. FXAIX - Drawdown Comparison

The maximum UBU9.DE drawdown since its inception was -33.82%, roughly equal to the maximum FXAIX drawdown of -33.29%. Use the drawdown chart below to compare losses from any high point for UBU9.DE and FXAIX.

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Drawdown Indicators

UBU9.DEFXAIXDifference

Max Drawdown

Largest peak-to-trough decline

-33.82%

-33.79%

-0.03%

Max Drawdown (1Y)

Largest decline over 1 year

-13.43%

-8.89%

-4.54%

Max Drawdown (5Y)

Largest decline over 5 years

-23.30%

-24.50%

+1.20%

Max Drawdown (10Y)

Largest decline over 10 years

-33.82%

-33.79%

-0.03%

Current Drawdown

Current decline from peak

-5.29%

-5.56%

+0.27%

Average Drawdown

Average peak-to-trough decline

-4.05%

-3.83%

-0.22%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.34%

2.55%

-0.21%

Volatility

UBU9.DE vs. FXAIX - Volatility Comparison

The current volatility for UBS Core S&P 500 UCITS ETF USD dis (UBU9.DE) is 3.79%, while Fidelity 500 Index Fund (FXAIX) has a volatility of 4.43%. This indicates that UBU9.DE experiences smaller price fluctuations and is considered to be less risky than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

UBU9.DEFXAIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.79%

4.43%

-0.64%

Volatility (6M)

Calculated over the trailing 6-month period

8.62%

9.93%

-1.31%

Volatility (1Y)

Calculated over the trailing 1-year period

17.20%

20.68%

-3.48%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.24%

16.83%

-1.59%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.15%

18.64%

-2.49%