XDPU.L vs. BYBU.L

Last updated Jul 29, 2026

XDPU.L (Xtrackers S&P 500 UCITS ETF 4C) and BYBU.L (Amundi S&P 500 Buyback ETF-C USD) are both S&P 500 funds - XDPU.L tracks the S&P 500 Index while BYBU.L tracks the S&P 500 Buyback NTR. Both are passively managed. Over the past 3 years, XDPU.L returned 18.41%/yr vs 15.98%/yr for BYBU.L. Their 0.78 correlation means they have sometimes moved together and sometimes differently. XDPU.L charges 0.03%/yr vs 0.15%/yr for BYBU.L.

Performance

XDPU.L vs. BYBU.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Xtrackers S&P 500 UCITS ETF 4C (XDPU.L) and Amundi S&P 500 Buyback ETF-C USD (BYBU.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XDPU.L achieves a 7.55% return, which is significantly lower than BYBU.L's 10.91% return.

XDPU.L

• 1D: -0.87%
• 1M: -0.03%
• 6M: 6.03%
• YTD: 7.55%
• 1Y: 16.44%
• 3Y*: 18.41%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 16.47%

BYBU.L

• 1D: 1.46%
• 1M: 3.47%
• 6M: 9.50%
• YTD: 10.91%
• 1Y: 17.76%
• 3Y*: 15.98%
• 5Y*: 10.12%
• 10Y*: 12.94%
• ALL TIME*: 11.19%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BYBU.L Amundi S&P 500 Buyback ETF-C USD	$134.38K	$93.88K	$93.06K
XDPU.L Xtrackers S&P 500 UCITS ETF 4C	$384.88K	$1.17M	$724.46K

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

	2026 (YTD)	2025	2024	2023	2022
XDPU.L Xtrackers S&P 500 UCITS ETF 4C	7.55%	17.36%	25.28%	26.77%	-6.22%
BYBU.L Amundi S&P 500 Buyback ETF-C USD	10.91%	17.38%	14.02%	15.99%	-3.85%

Correlation

The correlation between XDPU.L and BYBU.L is 0.66, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.66
Correlation (3Y) Balances recent behavior with more history.	0.73
Correlation (All Time) Calculated using the full available price history since Jun 8, 2022	0.78

The correlation between XDPU.L and BYBU.L shifts across timeframes, from 0.66 (1 year) to 0.78 (all time), reflecting how their relationship changes across market environments.

Return for Risk

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

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

XDPU.L

XDPU.L Risk / Return Rank: 59
XDPU.L Sharpe Ratio Rank: 58
XDPU.L Sortino Ratio Rank: 61
XDPU.L Omega Ratio Rank: 56
XDPU.L Calmar Ratio Rank: 57
XDPU.L Martin Ratio Rank: 67

BYBU.L

BYBU.L Risk / Return Rank: 70
BYBU.L Sharpe Ratio Rank: 62
BYBU.L Sortino Ratio Rank: 68
BYBU.L Omega Ratio Rank: 57
BYBU.L Calmar Ratio Rank: 86
BYBU.L Martin Ratio Rank: 75

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.

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

This table presents a comparison of risk-adjusted performance metrics for Xtrackers S&P 500 UCITS ETF 4C (XDPU.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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	XDPU.L	BYBU.L	Difference
Sharpe ratio: Return per unit of total volatility	1.37	1.44	-0.07
Sortino ratio: Return per unit of downside risk	2.06	2.23	-0.17
Omega ratio: Gain probability vs. loss probability	1.25	1.25	0.00
Calmar ratio: Return relative to maximum drawdown	2.03	3.41	-1.37
Martin ratio: Return relative to average drawdown	8.09	9.48	-1.39

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

The current XDPU.L Sharpe Ratio is 1.37, which is comparable to the BYBU.L Sharpe Ratio of 1.44. The chart below compares the historical Sharpe Ratios of XDPU.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.

Drawdowns

XDPU.L vs. BYBU.L - Drawdown Comparison

The maximum XDPU.L drawdown since its inception was -18.25%, smaller than the maximum BYBU.L drawdown of -43.01%. Use the drawdown chart below to compare losses from any high point for XDPU.L and BYBU.L.

Drawdown Indicators

	XDPU.L	BYBU.L	Difference
Max Drawdown Largest peak-to-trough decline	-18.25%	-43.01%	+24.76%
Max Drawdown (1Y) Largest decline over 1 year	-8.22%	-5.19%	-3.03%
Max Drawdown (3Y) Largest decline over 3 years	-18.25%	-19.21%	+0.96%
Max Drawdown (5Y) Largest decline over 5 years	—	-22.69%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.01%	—
Current Drawdown Current decline from peak	-3.08%	0.00%	-3.08%
Average Drawdown Average peak-to-trough decline	-3.05%	-5.54%	+2.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.07%	1.86%	+0.21%

Volatility

XDPU.L vs. BYBU.L - Volatility Comparison

The current volatility for Xtrackers S&P 500 UCITS ETF 4C (XDPU.L) is 3.39%, while Amundi S&P 500 Buyback ETF-C USD (BYBU.L) has a volatility of 3.81%. This indicates that XDPU.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.

Volatility by Period

	XDPU.L	BYBU.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.39%	3.81%	-0.42%
Volatility (6M) Calculated over the trailing 6-month period	9.46%	8.84%	+0.62%
Volatility (1Y) Calculated over the trailing 1-year period	12.17%	12.24%	-0.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.22%	16.86%	-1.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.22%	18.73%	-3.51%

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

XDPU.L has a 0.03% 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

XDPU.L vs. BYBU.L - Dividend Comparison

Neither XDPU.L nor BYBU.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both XDPU.L and BYBU.L in my portfolio?

XDPU.L and BYBU.L have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, XDPU.L or BYBU.L?

On fees, XDPU.L is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, XDPU.L or BYBU.L?

XDPU.L is cheaper with a 0.03% expense ratio, compared with 0.15% for BYBU.L.

What is the main difference between XDPU.L and BYBU.L?

XDPU.L tracks S&P 500 Index, while BYBU.L tracks S&P 500 Buyback NTR. They also come from different issuers: Xtrackers and Amundi. Their fees differ too: 0.03% for XDPU.L and 0.15% for BYBU.L.