BYBU.L vs. PACW.L

Last updated Jun 5, 2026

BYBU.L (Amundi S&P 500 Buyback ETF-C USD) and PACW.L (Amundi Prime All Country World UCITS ETF Income) are both exchange-traded funds - BYBU.L is a S&P 500 fund tracking the S&P 500 Buyback NTR, while PACW.L is a Global Equities fund tracking the Solactive GBS Global Markets Large & Mid Cap Index. Both are passively managed. Over the past year, BYBU.L returned 22.65% vs 29.05% for PACW.L. A 0.62 correlation means they provide meaningful diversification when combined. BYBU.L charges 0.15%/yr vs 0.07%/yr for PACW.L.

Performance

BYBU.L vs. PACW.L - Performance Comparison

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

Different Trading Currencies

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

Returns By Period

In the year-to-date period, BYBU.L achieves a 8.18% return, which is significantly lower than PACW.L's 11.64% return.

BYBU.L

• 1D: 0.96%
• 1M: 4.76%
• YTD: 8.18%
• 6M: 9.93%
• 1Y: 22.65%
• 3Y*: 18.64%
• 5Y*: 10.16%
• 10Y*: —

PACW.L

• 1D: 0.01%
• 1M: 4.35%
• YTD: 11.64%
• 6M: 13.14%
• 1Y: 29.05%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

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

	2026 (YTD)	2025
BYBU.L Amundi S&P 500 Buyback ETF-C USD	8.18%	13.76%
PACW.L Amundi Prime All Country World UCITS ETF Income	11.64%	16.91%

Correlation

The correlation between BYBU.L and PACW.L is 0.62, 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	0.62
Correlation (All Time) Calculated using the full available price history since Feb 19, 2025	0.62

The correlation between BYBU.L and PACW.L has been stable across timeframes, ranging from 0.62 to 0.62 - a consistent structural relationship.

Return for Risk

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

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

BYBU.L

BYBU.L Risk / Return Rank: 65
BYBU.L Sharpe Ratio Rank: 57
BYBU.L Sortino Ratio Rank: 62
BYBU.L Omega Ratio Rank: 54
BYBU.L Calmar Ratio Rank: 83
BYBU.L Martin Ratio Rank: 67

PACW.L

PACW.L Risk / Return Rank: 86
PACW.L Sharpe Ratio Rank: 88
PACW.L Sortino Ratio Rank: 88
PACW.L Omega Ratio Rank: 89
PACW.L Calmar Ratio Rank: 82
PACW.L Martin Ratio Rank: 85

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.

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

This table presents a comparison of risk-adjusted performance metrics for Amundi S&P 500 Buyback ETF-C USD (BYBU.L) and Amundi Prime All Country World UCITS ETF Income (PACW.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.

	BYBU.L	PACW.L	Difference
Sharpe ratio: Return per unit of total volatility	1.90	2.45	-0.55
Sortino ratio: Return per unit of downside risk	2.87	3.57	-0.71
Omega ratio: Gain probability vs. loss probability	1.33	1.45	-0.12
Calmar ratio: Return relative to maximum drawdown	4.34	3.16	+1.18
Martin ratio: Return relative to average drawdown	12.04	13.73	-1.70
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

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

The current BYBU.L Sharpe Ratio is 1.90, which is comparable to the PACW.L Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of BYBU.L and PACW.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.

Sharpe Ratios by Period

	BYBU.L	PACW.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.90	2.45	-0.55
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.83	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.14	1.50	-0.36

Drawdowns

BYBU.L vs. PACW.L - Drawdown Comparison

The maximum BYBU.L drawdown since its inception was -28.64%, which is greater than PACW.L's maximum drawdown of -16.93%. Use the drawdown chart below to compare losses from any high point for BYBU.L and PACW.L.

Drawdown Indicators

	BYBU.L	PACW.L	Difference
Max Drawdown Largest peak-to-trough decline	-28.64%	-16.93%	-11.71%
Max Drawdown (1Y) Largest decline over 1 year	-5.19%	-9.14%	+3.95%
Max Drawdown (3Y) Largest decline over 3 years	-19.21%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-22.11%	—	—
Current Drawdown Current decline from peak	0.00%	-0.78%	+0.78%
Average Drawdown Average peak-to-trough decline	-4.86%	-1.97%	-2.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.88%	2.11%	-0.23%

Volatility

BYBU.L vs. PACW.L - Volatility Comparison

Amundi S&P 500 Buyback ETF-C USD (BYBU.L) and Amundi Prime All Country World UCITS ETF Income (PACW.L) have volatilities of 3.55% and 3.42%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BYBU.L	PACW.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.55%	3.42%	+0.13%
Volatility (6M) Calculated over the trailing 6-month period	8.14%	9.17%	-1.03%
Volatility (1Y) Calculated over the trailing 1-year period	11.86%	11.81%	+0.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.25%	15.34%	+5.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.74%	15.34%	+12.40%

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

BYBU.L has a 0.15% expense ratio, which is higher than PACW.L's 0.07% 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

BYBU.L vs. PACW.L - Dividend Comparison

BYBU.L has not paid dividends to shareholders, while PACW.L's dividend yield for the trailing twelve months is around 1.23%.

Position	TTM
BYBU.L Amundi S&P 500 Buyback ETF-C USD	0.00%
PACW.L Amundi Prime All Country World UCITS ETF Income	1.23%

Frequently Asked Questions

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

BYBU.L and PACW.L have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

On fees, PACW.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.

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

PACW.L is cheaper with a 0.07% expense ratio, compared with 0.15% for BYBU.L.

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

BYBU.L is categorized as S&P 500, while PACW.L is Global Equities. BYBU.L tracks S&P 500 Buyback NTR, while PACW.L tracks Solactive GBS Global Markets Large & Mid Cap Index. Their fees differ too: 0.15% for BYBU.L and 0.07% for PACW.L.