BYBG.L vs. VUAA.L

Last updated Jun 5, 2026

BYBG.L (Amundi S&P 500 Buyback ETF-C USD) and VUAA.L (Vanguard S&P 500 UCITS ETF USD Accumulation) are both S&P 500 funds - BYBG.L tracks the S&P 500 Buyback NTR while VUAA.L tracks the S&P 500 Net Total Return. Both are passively managed. A 0.53 correlation means they provide meaningful diversification when combined. BYBG.L charges 0.15%/yr vs 0.07%/yr for VUAA.L.

Performance

BYBG.L vs. VUAA.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 Vanguard S&P 500 UCITS ETF USD Accumulation (VUAA.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

BYBG.L is traded in GBp, while VUAA.L is traded in USD. To make them comparable, the VUAA.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 VUAA.L's 10.76% return.

BYBG.L

• 1D: 0.96%
• 1M: 5.09%
• YTD: 8.46%
• 6M: 8.43%
• 1Y: 23.95%
• 3Y*: 15.56%
• 5Y*: 11.34%
• 10Y*: 13.89%

VUAA.L

• 1D: 0.00%
• 1M: 4.56%
• YTD: 10.76%
• 6M: 10.05%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

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

	2026 (YTD)	2025
BYBG.L Amundi S&P 500 Buyback ETF-C USD	8.46%	13.36%
VUAA.L Vanguard S&P 500 UCITS ETF USD Accumulation	10.23%	16.08%

Correlation

The correlation between BYBG.L and VUAA.L is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 9, 2025	0.53

BYBG.L vs. VUAA.L - Sectors Allocation Comparison

Sectors	BYBG.L	VUAA.L
Financial Services	27.9%	11.6%
Technology	22.4%	35.7%
Consumer Cyclical	15.8%	10.2%
Industrials	9.0%	8.3%
Healthcare	7.5%	8.5%
Energy	5.2%	3.5%
Communication Services	4.6%	11.3%
Consumer Defensive	3.7%	4.9%
Basic Materials	3.1%	1.8%
Utilities	0.9%	2.4%
Real Estate	-	1.9%

Return for Risk

BYBG.L vs. VUAA.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

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. VUAA.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 Vanguard S&P 500 UCITS ETF USD Accumulation (VUAA.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	VUAA.L	Difference
Sharpe ratio: Return per unit of total volatility	2.15	—	—
Sortino ratio: Return per unit of downside risk	2.99	—	—
Omega ratio: Gain probability vs. loss probability	1.38	—	—
Calmar ratio: Return relative to maximum drawdown	4.88	—	—
Martin ratio: Return relative to average drawdown	13.84	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	BYBG.L	VUAA.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	—	—
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	2.39	-1.71

Drawdowns

BYBG.L vs. VUAA.L - Drawdown Comparison

The maximum BYBG.L drawdown since its inception was -35.57%, which is greater than VUAA.L's maximum drawdown of -7.23%. Use the drawdown chart below to compare losses from any high point for BYBG.L and VUAA.L.

Drawdown Indicators

	BYBG.L	VUAA.L	Difference
Max Drawdown Largest peak-to-trough decline	-35.57%	-7.23%	-28.34%
Max Drawdown (1Y) Largest decline over 1 year	-4.86%	—	—
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%	-0.19%	+0.19%
Average Drawdown Average peak-to-trough decline	-4.68%	-1.51%	-3.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.72%	2.14%	-0.42%

Volatility

Volatility by Period

	BYBG.L	VUAA.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.72%	—	—
Volatility (6M) Calculated over the trailing 6-month period	7.49%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	11.02%	11.97%	-0.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.15%	11.97%	+3.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.02%	11.97%	+6.05%

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

BYBG.L has a 0.15% expense ratio, which is higher than VUAA.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. VUAA.L - Dividend Comparison

Neither BYBG.L nor VUAA.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both BYBG.L and VUAA.L in my portfolio?

BYBG.L and VUAA.L have a correlation of 0.53, 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 VUAA.L?

On fees, VUAA.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 VUAA.L?

VUAA.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 VUAA.L?

BYBG.L tracks S&P 500 Buyback NTR, while VUAA.L tracks S&P 500 Net Total Return. They also come from different issuers: Amundi and Vanguard. Their fees differ too: 0.15% for BYBG.L and 0.07% for VUAA.L.