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SPX5.L vs. BYBU.L
Performance
Return for Risk
Drawdowns
Volatility
Dividends

SPX5.L vs. BYBU.L

Last updated Jun 5, 2026

SPX5.L (SPDR S&P 500 UCITS ETF) and BYBU.L (Amundi S&P 500 Buyback ETF-C USD) are both S&P 500 funds - SPX5.L tracks the S&P 500 Index while BYBU.L tracks the S&P 500 Buyback NTR. Both are passively managed. Over the past 5 years, SPX5.L returned 14.92%/yr vs 11.35%/yr for BYBU.L. At a 0.36 correlation, their price movements are largely independent. SPX5.L charges 0.09%/yr vs 0.15%/yr for BYBU.L.

Performance

SPX5.L vs. BYBU.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in SPDR S&P 500 UCITS ETF (SPX5.L) and Amundi S&P 500 Buyback ETF-C USD (BYBU.L). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

SPX5.L is traded in GBP, while BYBU.L is traded in USD. To make them comparable, the BYBU.L values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, SPX5.L achieves a 10.53% return, which is significantly higher than BYBU.L's 8.62% return.

SPX5.L

1D
0.05%
1M
5.53%
YTD
10.53%
6M
10.48%
1Y
29.15%
3Y*
19.03%
5Y*
14.92%
10Y*
16.17%

BYBU.L

1D
0.96%
1M
5.72%
YTD
8.62%
6M
9.17%
1Y
23.84%
3Y*
15.72%
5Y*
11.35%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

SPX5.L vs. BYBU.L - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
SPX5.L
SPDR S&P 500 UCITS ETF		10.53%9.34%27.47%19.75%-9.01%30.96%13.52%26.74%-0.04%6.87%
BYBU.L
Amundi S&P 500 Buyback ETF-C USD		8.62%9.02%16.67%10.84%-3.19%37.48%2.26%25.34%-0.50%4.46%

Correlation

The correlation between SPX5.L and BYBU.L is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

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

0.57

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

0.47

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

0.47

Correlation (All Time)
Calculated using the full available price history since Jul 28, 2017

0.36

Over the past year, SPX5.L and BYBU.L have become more correlated (0.57) than their long-term average of 0.36, meaning their price movements have been converging.

SPX5.L vs. BYBU.L - Sectors Allocation Comparison

Sectors
SPX5.L
BYBU.L

Technology

35.6%
22.4%

Financial Services

11.8%
27.9%

Communication Services

11.2%
4.6%

Consumer Cyclical

10.1%
15.8%

Healthcare

8.5%
7.5%

Industrials

8.3%
9.0%

Consumer Defensive

4.9%
3.7%

Energy

3.5%
5.2%

Utilities

2.3%
0.9%

Real Estate

1.9%
3.0%

Basic Materials

1.8%
3.1%

Technology

SPX5.L
35.6%
BYBU.L
22.4%

Financial Services

SPX5.L
11.8%
BYBU.L
27.9%

Communication Services

SPX5.L
11.2%
BYBU.L
4.6%

Consumer Cyclical

SPX5.L
10.1%
BYBU.L
15.8%

Healthcare

SPX5.L
8.5%
BYBU.L
7.5%

Industrials

SPX5.L
8.3%
BYBU.L
9.0%

Consumer Defensive

SPX5.L
4.9%
BYBU.L
3.7%

Energy

SPX5.L
3.5%
BYBU.L
5.2%

Utilities

SPX5.L
2.3%
BYBU.L
0.9%

Real Estate

SPX5.L
1.9%
BYBU.L
3.0%

Basic Materials

SPX5.L
1.8%
BYBU.L
3.1%

Compare stocks, funds, or ETFs

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SPDR S&P 500 UCITS ETF

Amundi S&P 500 Buyback ETF-C USD

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Return for Risk

SPX5.L vs. BYBU.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SPX5.L
SPX5.L Risk / Return Rank: 8383
Overall Rank
SPX5.L Sharpe Ratio Rank: 8585
Sharpe Ratio Rank
SPX5.L Sortino Ratio Rank: 8484
Sortino Ratio Rank
SPX5.L Omega Ratio Rank: 8686
Omega Ratio Rank
SPX5.L Calmar Ratio Rank: 8181
Calmar Ratio Rank
SPX5.L Martin Ratio Rank: 7979
Martin Ratio Rank
BYBU.L
BYBU.L Risk / Return Rank: 6565
Overall Rank
BYBU.L Sharpe Ratio Rank: 5757
Sharpe Ratio Rank
BYBU.L Sortino Ratio Rank: 6262
Sortino Ratio Rank
BYBU.L Omega Ratio Rank: 5454
Omega Ratio Rank
BYBU.L Calmar Ratio Rank: 8383
Calmar Ratio Rank
BYBU.L Martin Ratio Rank: 6767
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.

SPX5.L vs. BYBU.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P 500 UCITS ETF (SPX5.L) and Amundi S&P 500 Buyback ETF-C USD (BYBU.L). 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.

SPX5.LBYBU.LDifference
Sharpe ratioReturn per unit of total volatility
2.76
1.97

+0.80

Sortino ratioReturn per unit of downside risk
3.71
2.73

+0.97

Omega ratioGain probability vs. loss probability

1.52

1.34

+0.18

Calmar ratioReturn relative to maximum drawdown

4.10

4.69

-0.59

Martin ratioReturn relative to average drawdown

15.08

13.40

+1.68

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

SPX5.L vs. BYBU.L - Sharpe Ratio Comparison

The current SPX5.L Sharpe Ratio is 2.76, which is higher than the BYBU.L Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of SPX5.L and BYBU.L, 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

SPX5.LBYBU.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.76

1.97

+0.80

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

1.05

0.98

+0.07

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

1.04

—

—

Sharpe Ratio (All Time)

Calculated using the full available price history

1.04

1.22

-0.18

Drawdowns

SPX5.L vs. BYBU.L - Drawdown Comparison

The maximum SPX5.L drawdown since its inception was -25.45%, which is greater than BYBU.L's maximum drawdown of -23.51%. Use the drawdown chart below to compare losses from any high point for SPX5.L and BYBU.L.

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Drawdown Indicators

SPX5.LBYBU.LDifference

Max Drawdown

Largest peak-to-trough decline

-25.45%

-23.51%

-1.94%

Max Drawdown (1Y)

Largest decline over 1 year

-7.07%

-5.06%

-2.01%

Max Drawdown (3Y)

Largest decline over 3 years

-20.90%

-20.81%

-0.09%

Max Drawdown (5Y)

Largest decline over 5 years

-20.90%

-20.81%

-0.09%

Max Drawdown (10Y)

Largest decline over 10 years

-25.45%

—

—

Current Drawdown

Current decline from peak

-0.22%

0.00%

-0.22%

Average Drawdown

Average peak-to-trough decline

-3.18%

-4.19%

+1.01%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.93%

1.78%

+0.15%

Volatility

SPX5.L vs. BYBU.L - Volatility Comparison

The current volatility for SPDR S&P 500 UCITS ETF (SPX5.L) is 2.67%, while Amundi S&P 500 Buyback ETF-C USD (BYBU.L) has a volatility of 3.26%. This indicates that SPX5.L experiences smaller price fluctuations and is considered to be less risky than BYBU.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SPX5.LBYBU.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.67%

3.26%

-0.59%

Volatility (6M)

Calculated over the trailing 6-month period

7.16%

8.60%

-1.44%

Volatility (1Y)

Calculated over the trailing 1-year period

10.50%

12.07%

-1.57%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

14.22%

20.07%

-5.85%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

15.52%

25.20%

-9.68%

SPX5.L vs. BYBU.L - Expense Ratio Comparison

SPX5.L has a 0.09% expense ratio, which is lower than BYBU.L's 0.15% 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%.

Dividends

SPX5.L vs. BYBU.L - Dividend Comparison

SPX5.L's dividend yield for the trailing twelve months is around 0.89%, while BYBU.L has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
BYBU.L
Amundi S&P 500 Buyback ETF-C USD		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
SPX5.L
SPDR S&P 500 UCITS ETF		0.89%0.98%1.04%1.21%1.39%0.98%1.40%1.76%1.71%2.36%1.49%1.68%

Frequently Asked Questions

SPX5.L and BYBU.L have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, SPX5.L is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

SPX5.L is cheaper with a 0.09% expense ratio, compared with 0.15% for BYBU.L.

SPX5.L tracks S&P 500 Index, while BYBU.L tracks S&P 500 Buyback NTR. They also come from different issuers: State Street and Amundi. Their fees differ too: 0.09% for SPX5.L and 0.15% for BYBU.L.

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