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BYBG.L vs. LSPX.L
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BYBG.L vs. LSPX.L

Last updated Jun 5, 2026

BYBG.L (Amundi S&P 500 Buyback ETF-C USD) and LSPX.L (Lyxor S&P 500 UCITS ETF - D-USD) are both S&P 500 funds from Amundi - BYBG.L tracks the S&P 500 Buyback NTR while LSPX.L tracks the S&P 500 Index. Both are passively managed. Over the past 10 years, BYBG.L returned 13.89%/yr vs 16.37%/yr for LSPX.L. A 0.69 correlation means they provide meaningful diversification when combined. BYBG.L charges 0.15%/yr vs 0.09%/yr for LSPX.L.

Performance

BYBG.L vs. LSPX.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 Lyxor S&P 500 UCITS ETF - D-USD (LSPX.L). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, BYBG.L achieves a 8.46% return, which is significantly lower than LSPX.L's 10.61% return. Over the past 10 years, BYBG.L has underperformed LSPX.L with an annualized return of 13.89%, while LSPX.L has yielded a comparatively higher 16.37% 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%

LSPX.L

1D
-0.03%
1M
5.53%
YTD
10.61%
6M
10.54%
1Y
29.34%
3Y*
19.22%
5Y*
15.13%
10Y*
16.37%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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

2026 (YTD)202520242023202220212020201920182017
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%
LSPX.L
Lyxor S&P 500 UCITS ETF - D-USD		10.61%9.48%27.64%20.51%-9.65%30.18%15.43%29.10%-2.11%10.31%

Correlation

The correlation between BYBG.L and LSPX.L is 0.57, 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

0.57

Correlation (3Y)
Calculated over the trailing 3-year period

0.68

Correlation (5Y)
Calculated over the trailing 5-year period

0.75

Correlation (10Y)
Calculated over the trailing 10-year period

0.73

Correlation (All Time)
Calculated using the full available price history since May 5, 2015

0.69

The correlation between BYBG.L and LSPX.L shifts across timeframes, from 0.57 (1 year) to 0.75 (5 years), reflecting how their relationship changes across market environments.

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

Sectors
BYBG.L
LSPX.L

Financial Services

27.9%
11.8%

Technology

22.4%
35.6%

Consumer Cyclical

15.8%
10.1%

Industrials

9.0%
8.3%

Healthcare

7.5%
8.5%

Energy

5.2%
3.5%

Communication Services

4.6%
11.2%

Consumer Defensive

3.7%
4.9%

Basic Materials

3.1%
1.8%

Utilities

0.9%
2.4%

Real Estate

-

1.9%

Financial Services

BYBG.L
27.9%
LSPX.L
11.8%

Technology

BYBG.L
22.4%
LSPX.L
35.6%

Consumer Cyclical

BYBG.L
15.8%
LSPX.L
10.1%

Industrials

BYBG.L
9.0%
LSPX.L
8.3%

Healthcare

BYBG.L
7.5%
LSPX.L
8.5%

Energy

BYBG.L
5.2%
LSPX.L
3.5%

Communication Services

BYBG.L
4.6%
LSPX.L
11.2%

Consumer Defensive

BYBG.L
3.7%
LSPX.L
4.9%

Basic Materials

BYBG.L
3.1%
LSPX.L
1.8%

Utilities

BYBG.L
0.9%
LSPX.L
2.4%

Real Estate

BYBG.L

-

LSPX.L
1.9%

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Amundi S&P 500 Buyback ETF-C USD

Lyxor S&P 500 UCITS ETF - D-USD

Often compared with BYBG.L:
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Often compared with LSPX.L:
LSPX.L vs. VUAG.LLSPX.L vs. CSP1.LLSPX.L vs. XSTC.LLSPX.L vs. SPYLSPX.L vs. SPXP.LLSPX.L vs. VOOLSPX.L vs. VERG.L

Return for Risk

BYBG.L vs. LSPX.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: 7171
Overall Rank
BYBG.L Sharpe Ratio Rank: 6666
Sharpe Ratio Rank
BYBG.L Sortino Ratio Rank: 6565
Sortino Ratio Rank
BYBG.L Omega Ratio Rank: 6363
Omega Ratio Rank
BYBG.L Calmar Ratio Rank: 8787
Calmar Ratio Rank
BYBG.L Martin Ratio Rank: 7474
Martin Ratio Rank
LSPX.L
LSPX.L Risk / Return Rank: 8383
Overall Rank
LSPX.L Sharpe Ratio Rank: 8686
Sharpe Ratio Rank
LSPX.L Sortino Ratio Rank: 8484
Sortino Ratio Rank
LSPX.L Omega Ratio Rank: 8686
Omega Ratio Rank
LSPX.L Calmar Ratio Rank: 8080
Calmar Ratio Rank
LSPX.L Martin Ratio Rank: 7777
Martin Ratio Rank
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. LSPX.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 Lyxor S&P 500 UCITS ETF - D-USD (LSPX.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.LLSPX.LDifference
Sharpe ratioReturn per unit of total volatility
2.15
2.80

-0.64

Sortino ratioReturn per unit of downside risk
2.99
3.72

-0.74

Omega ratioGain probability vs. loss probability

1.38

1.52

-0.14

Calmar ratioReturn relative to maximum drawdown

4.88

4.06

+0.82

Martin ratioReturn relative to average drawdown

13.84

14.65

-0.81

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. LSPX.L - Sharpe Ratio Comparison

The current BYBG.L Sharpe Ratio is 2.15, which is comparable to the LSPX.L Sharpe Ratio of 2.80. The chart below compares the historical Sharpe Ratios of BYBG.L and LSPX.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.

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Sharpe Ratios by Period

BYBG.LLSPX.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.15

2.80

-0.64

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.75

1.09

-0.35

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.77

1.13

-0.36

Sharpe Ratio (All Time)

Calculated using the full available price history

0.68

1.30

-0.61

Drawdowns

BYBG.L vs. LSPX.L - Drawdown Comparison

The maximum BYBG.L drawdown since its inception was -35.57%, which is greater than LSPX.L's maximum drawdown of -25.47%. Use the drawdown chart below to compare losses from any high point for BYBG.L and LSPX.L.

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Drawdown Indicators

BYBG.LLSPX.LDifference

Max Drawdown

Largest peak-to-trough decline

-35.57%

-25.47%

-10.10%

Max Drawdown (1Y)

Largest decline over 1 year

-4.86%

-7.22%

+2.36%

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%

-25.47%

-10.10%

Current Drawdown

Current decline from peak

0.00%

-0.24%

+0.24%

Average Drawdown

Average peak-to-trough decline

-4.68%

-3.29%

-1.39%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.72%

2.00%

-0.28%

Volatility

BYBG.L vs. LSPX.L - Volatility Comparison

Amundi S&P 500 Buyback ETF-C USD (BYBG.L) has a higher volatility of 2.72% compared to Lyxor S&P 500 UCITS ETF - D-USD (LSPX.L) at 2.58%. This indicates that BYBG.L's price experiences larger fluctuations and is considered to be riskier than LSPX.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BYBG.LLSPX.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.72%

2.58%

+0.14%

Volatility (6M)

Calculated over the trailing 6-month period

7.49%

7.13%

+0.36%

Volatility (1Y)

Calculated over the trailing 1-year period

11.02%

10.50%

+0.52%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.15%

14.53%

+0.62%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.02%

17.05%

+0.97%

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

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

BYBG.L has not paid dividends to shareholders, while LSPX.L's dividend yield for the trailing twelve months is around 0.91%.

PositionTTM20252024202320222021202020192018201720162015
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%
LSPX.L
Lyxor S&P 500 UCITS ETF - D-USD		0.91%1.00%1.27%1.02%2.06%1.10%1.53%1.70%1.97%1.72%1.87%1.96%

Frequently Asked Questions

BYBG.L and LSPX.L have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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

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

BYBG.L tracks S&P 500 Buyback NTR, while LSPX.L tracks S&P 500 Index. Their fees differ too: 0.15% for BYBG.L and 0.09% for LSPX.L.

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