BYBG.L vs. PACW.L

Last updated Jun 5, 2026

BYBG.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 - BYBG.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, BYBG.L returned 23.82% vs 30.29% for PACW.L. A 0.65 correlation means they provide meaningful diversification when combined. BYBG.L charges 0.15%/yr vs 0.07%/yr for PACW.L.

Performance

BYBG.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 (BYBG.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

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

Returns By Period

In the year-to-date period, BYBG.L achieves a 8.46% return, which is significantly lower than PACW.L's 11.92% return.

BYBG.L

• 1D: 0.96%
• 1M: 5.70%
• YTD: 8.46%
• 6M: 9.28%
• 1Y: 23.82%
• 3Y*: 15.56%
• 5Y*: 11.34%
• 10Y*: 13.89%

PACW.L

• 1D: -0.04%
• 1M: 5.24%
• YTD: 11.92%
• 6M: 12.31%
• 1Y: 30.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

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

	2026 (YTD)	2025
BYBG.L Amundi S&P 500 Buyback ETF-C USD	8.46%	5.33%
PACW.L Amundi Prime All Country World UCITS ETF Income	11.92%	9.58%

Correlation

The correlation between BYBG.L and PACW.L is 0.56, 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	0.56
Correlation (All Time) Calculated using the full available price history since Feb 19, 2025	0.65

The correlation between BYBG.L and PACW.L has been stable across timeframes, ranging from 0.56 to 0.65 - a consistent structural relationship.

Return for Risk

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

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

BYBG.L

BYBG.L Risk / Return Rank: 71
BYBG.L Sharpe Ratio Rank: 66
BYBG.L Sortino Ratio Rank: 65
BYBG.L Omega Ratio Rank: 63
BYBG.L Calmar Ratio Rank: 87
BYBG.L Martin Ratio Rank: 74

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.

BYBG.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 (BYBG.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.

	BYBG.L	PACW.L	Difference
Sharpe ratio: Return per unit of total volatility	2.15	2.89	-0.74
Sortino ratio: Return per unit of downside risk	2.99	3.95	-0.96
Omega ratio: Gain probability vs. loss probability	1.38	1.55	-0.18
Calmar ratio: Return relative to maximum drawdown	4.88	4.27	+0.61
Martin ratio: Return relative to average drawdown	13.84	17.43	-3.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

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

The current BYBG.L Sharpe Ratio is 2.15, which is comparable to the PACW.L Sharpe Ratio of 2.89. The chart below compares the historical Sharpe Ratios of BYBG.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

	BYBG.L	PACW.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	2.89	-0.74
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.75	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.68	1.24	-0.55

Drawdowns

BYBG.L vs. PACW.L - Drawdown Comparison

The maximum BYBG.L drawdown since its inception was -35.57%, which is greater than PACW.L's maximum drawdown of -17.68%. Use the drawdown chart below to compare losses from any high point for BYBG.L and PACW.L.

Drawdown Indicators

	BYBG.L	PACW.L	Difference
Max Drawdown Largest peak-to-trough decline	-35.57%	-17.68%	-17.89%
Max Drawdown (1Y) Largest decline over 1 year	-4.86%	-7.06%	+2.20%
Max Drawdown (3Y) Largest decline over 3 years	-20.63%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-20.63%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-35.57%	—	—
Current Drawdown Current decline from peak	0.00%	-0.46%	+0.46%
Average Drawdown Average peak-to-trough decline	-4.68%	-3.02%	-1.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.72%	1.73%	-0.01%

Volatility

BYBG.L vs. PACW.L - Volatility Comparison

The current volatility for Amundi S&P 500 Buyback ETF-C USD (BYBG.L) is 2.72%, while Amundi Prime All Country World UCITS ETF Income (PACW.L) has a volatility of 2.93%. This indicates that BYBG.L experiences smaller price fluctuations and is considered to be less risky than PACW.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BYBG.L	PACW.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.72%	2.93%	-0.21%
Volatility (6M) Calculated over the trailing 6-month period	7.49%	7.75%	-0.26%
Volatility (1Y) Calculated over the trailing 1-year period	11.02%	10.42%	+0.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.15%	13.91%	+1.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.02%	13.91%	+4.11%

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

BYBG.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

BYBG.L vs. PACW.L - Dividend Comparison

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

Position	TTM
BYBG.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 BYBG.L and PACW.L in my portfolio?

BYBG.L and PACW.L have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

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

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

BYBG.L is categorized as S&P 500, while PACW.L is Global Equities. BYBG.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 BYBG.L and 0.07% for PACW.L.