BYBG.L vs. SPY5.L

Last updated Jun 5, 2026

BYBG.L (Amundi S&P 500 Buyback ETF-C USD) and SPY5.L (State Street SPDR S&P 500 UCITS ETF) are both S&P 500 funds - BYBG.L tracks the S&P 500 Buyback NTR while SPY5.L tracks the S&P 500. Both are passively managed. Over the past 10 years, BYBG.L returned 13.89%/yr vs 16.22%/yr for SPY5.L. A 0.79 correlation means they provide meaningful diversification when combined. BYBG.L charges 0.15%/yr vs 0.09%/yr for SPY5.L.

Performance

BYBG.L vs. SPY5.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 State Street SPDR S&P 500 UCITS ETF (SPY5.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

BYBG.L is traded in GBp, while SPY5.L is traded in USD. To make them comparable, the SPY5.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 SPY5.L's 10.76% return. Over the past 10 years, BYBG.L has underperformed SPY5.L with an annualized return of 13.89%, while SPY5.L has yielded a comparatively higher 16.22% annualized 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%

SPY5.L

• 1D: 0.01%
• 1M: 5.45%
• YTD: 10.76%
• 6M: 10.39%
• 1Y: 29.07%
• 3Y*: 19.09%
• 5Y*: 14.94%
• 10Y*: 16.22%

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

BYBG.L vs. SPY5.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BYBG.L Amundi S&P 500 Buyback ETF-C USD	8.46%	9.41%	15.83%	9.58%	-1.29%	35.95%	1.99%	26.54%	-3.60%	10.09%
SPY5.L State Street SPDR S&P 500 UCITS ETF	10.73%	9.06%	27.55%	20.31%	-9.02%	30.50%	14.06%	25.87%	0.54%	11.98%

Correlation

The correlation between BYBG.L and SPY5.L is 0.54, 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	0.54
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since May 5, 2015	0.79

Over the past year, the correlation between BYBG.L and SPY5.L has dropped to 0.54 - well below their long-term average of 0.79, suggesting their price drivers have been diverging.

BYBG.L vs. SPY5.L - Sectors Allocation Comparison

Sectors	BYBG.L	SPY5.L
Financial Services	27.9%	11.3%
Technology	22.4%	38.0%
Consumer Cyclical	15.8%	9.8%
Industrials	9.0%	7.6%
Healthcare	7.5%	8.4%
Energy	5.2%	3.4%
Communication Services	4.6%	10.6%
Consumer Defensive	3.7%	4.7%
Basic Materials	3.1%	1.7%
Utilities	0.9%	2.6%
Real Estate	-	1.8%

Return for Risk

BYBG.L vs. SPY5.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

SPY5.L

SPY5.L Risk / Return Rank: 75
SPY5.L Sharpe Ratio Rank: 75
SPY5.L Sortino Ratio Rank: 79
SPY5.L Omega Ratio Rank: 75
SPY5.L Calmar Ratio Rank: 69
SPY5.L Martin Ratio Rank: 77

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. SPY5.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 State Street SPDR S&P 500 UCITS ETF (SPY5.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	SPY5.L	Difference
Sharpe ratio: Return per unit of total volatility	2.15	2.45	-0.30
Sortino ratio: Return per unit of downside risk	2.99	3.33	-0.34
Omega ratio: Gain probability vs. loss probability	1.38	1.45	-0.08
Calmar ratio: Return relative to maximum drawdown	4.88	4.02	+0.86
Martin ratio: Return relative to average drawdown	13.84	13.69	+0.15
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. SPY5.L - Sharpe Ratio Comparison

The current BYBG.L Sharpe Ratio is 2.15, which is comparable to the SPY5.L Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of BYBG.L and SPY5.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	SPY5.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	2.45	-0.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.75	0.97	-0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	0.98	-0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.68	1.01	-0.33

Drawdowns

BYBG.L vs. SPY5.L - Drawdown Comparison

The maximum BYBG.L drawdown since its inception was -35.57%, which is greater than SPY5.L's maximum drawdown of -25.97%. Use the drawdown chart below to compare losses from any high point for BYBG.L and SPY5.L.

Drawdown Indicators

	BYBG.L	SPY5.L	Difference
Max Drawdown Largest peak-to-trough decline	-35.57%	-25.97%	-9.60%
Max Drawdown (1Y) Largest decline over 1 year	-4.86%	-7.19%	+2.33%
Max Drawdown (3Y) Largest decline over 3 years	-20.63%	-21.10%	+0.47%
Max Drawdown (5Y) Largest decline over 5 years	-20.63%	-21.10%	+0.47%
Max Drawdown (10Y) Largest decline over 10 years	-35.57%	-25.97%	-9.60%
Current Drawdown Current decline from peak	0.00%	-0.19%	+0.19%
Average Drawdown Average peak-to-trough decline	-4.68%	-3.27%	-1.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.72%	2.12%	-0.40%

Volatility

BYBG.L vs. SPY5.L - Volatility Comparison

The current volatility for Amundi S&P 500 Buyback ETF-C USD (BYBG.L) is 2.72%, while State Street SPDR S&P 500 UCITS ETF (SPY5.L) has a volatility of 3.42%. This indicates that BYBG.L experiences smaller price fluctuations and is considered to be less risky than SPY5.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BYBG.L	SPY5.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.72%	3.42%	-0.70%
Volatility (6M) Calculated over the trailing 6-month period	7.49%	8.52%	-1.03%
Volatility (1Y) Calculated over the trailing 1-year period	11.02%	11.82%	-0.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.15%	15.35%	-0.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.02%	16.47%	+1.55%

BYBG.L vs. SPY5.L - Expense Ratio Comparison

BYBG.L has a 0.15% expense ratio, which is higher than SPY5.L's 0.09% 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. SPY5.L - Dividend Comparison

BYBG.L has not paid dividends to shareholders, while SPY5.L's dividend yield for the trailing twelve months is around 0.89%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BYBG.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%
SPY5.L State Street SPDR S&P 500 UCITS ETF	0.89%	0.97%	1.06%	1.19%	1.40%	0.99%	1.28%	1.71%	2.20%	2.29%	1.64%	1.73%

Frequently Asked Questions

Can I hold both BYBG.L and SPY5.L in my portfolio?

BYBG.L and SPY5.L have a correlation of 0.54, 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 SPY5.L?

On fees, SPY5.L is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BYBG.L or SPY5.L?

SPY5.L is cheaper with a 0.09% expense ratio, compared with 0.15% for BYBG.L.

What is the main difference between BYBG.L and SPY5.L?

BYBG.L tracks S&P 500 Buyback NTR, while SPY5.L tracks S&P 500. They also come from different issuers: Amundi and State Street. Their fees differ too: 0.15% for BYBG.L and 0.09% for SPY5.L.