BYBG.L vs. 100D.L

Last updated Jun 5, 2026

BYBG.L (Amundi S&P 500 Buyback ETF-C USD) and 100D.L (Amundi FTSE 100 UCITS ETF) are both exchange-traded funds - BYBG.L is a S&P 500 fund tracking the S&P 500 Buyback NTR, while 100D.L is a Europe Equities fund tracking the FTSE AllSh TR GBP. Both are passively managed. Over the past 5 years, BYBG.L returned 11.34%/yr vs 11.78%/yr for 100D.L. A 0.61 correlation means they provide meaningful diversification when combined. BYBG.L charges 0.15%/yr vs 0.14%/yr for 100D.L.

Performance

BYBG.L vs. 100D.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 FTSE 100 UCITS ETF (100D.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BYBG.L achieves a 8.46% return, which is significantly higher than 100D.L's 6.04% 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%

100D.L

• 1D: 0.13%
• 1M: -0.44%
• YTD: 6.04%
• 6M: 8.85%
• 1Y: 21.22%
• 3Y*: 14.75%
• 5Y*: 11.78%
• 10Y*: —

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

BYBG.L vs. 100D.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BYBG.L Amundi S&P 500 Buyback ETF-C USD	8.46%	9.41%	15.83%	9.58%	-1.29%	35.95%	1.99%	8.60%
100D.L Amundi FTSE 100 UCITS ETF	6.04%	25.77%	9.32%	7.37%	4.80%	18.00%	-11.78%	4.12%

Correlation

The correlation between BYBG.L and 100D.L is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.46
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (All Time) Calculated using the full available price history since Apr 18, 2019	0.61

The correlation between BYBG.L and 100D.L shifts across timeframes, from 0.46 (1 year) to 0.61 (all time), reflecting how their relationship changes across market environments.

BYBG.L vs. 100D.L - Sectors Allocation Comparison

Sectors	BYBG.L	100D.L
Financial Services	27.9%	24.5%
Technology	22.4%	0.8%
Consumer Cyclical	15.8%	4.7%
Industrials	9.0%	13.7%
Healthcare	7.5%	13.6%
Energy	5.2%	11.7%
Communication Services	4.6%	2.6%
Consumer Defensive	3.7%	13.9%
Basic Materials	3.1%	8.5%
Utilities	0.9%	5.3%
Real Estate	-	0.9%

Return for Risk

BYBG.L vs. 100D.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

100D.L

100D.L Risk / Return Rank: 55
100D.L Sharpe Ratio Rank: 59
100D.L Sortino Ratio Rank: 57
100D.L Omega Ratio Rank: 61
100D.L Calmar Ratio Rank: 49
100D.L Martin Ratio Rank: 49

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. 100D.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 FTSE 100 UCITS ETF (100D.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	100D.L	Difference
Sharpe ratio: Return per unit of total volatility	2.15	1.94	+0.22
Sortino ratio: Return per unit of downside risk	2.99	2.67	+0.31
Omega ratio: Gain probability vs. loss probability	1.38	1.36	+0.01
Calmar ratio: Return relative to maximum drawdown	4.88	2.38	+2.50
Martin ratio: Return relative to average drawdown	13.84	8.06	+5.78
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. 100D.L - Sharpe Ratio Comparison

The current BYBG.L Sharpe Ratio is 2.15, which is comparable to the 100D.L Sharpe Ratio of 1.94. The chart below compares the historical Sharpe Ratios of BYBG.L and 100D.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	100D.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	1.94	+0.22
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.75	0.92	-0.17
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	0.53	+0.15

Drawdowns

BYBG.L vs. 100D.L - Drawdown Comparison

The maximum BYBG.L drawdown since its inception was -35.57%, roughly equal to the maximum 100D.L drawdown of -34.63%. Use the drawdown chart below to compare losses from any high point for BYBG.L and 100D.L.

Drawdown Indicators

	BYBG.L	100D.L	Difference
Max Drawdown Largest peak-to-trough decline	-35.57%	-34.63%	-0.94%
Max Drawdown (1Y) Largest decline over 1 year	-4.86%	-8.92%	+4.06%
Max Drawdown (3Y) Largest decline over 3 years	-20.63%	-13.06%	-7.57%
Max Drawdown (5Y) Largest decline over 5 years	-20.63%	-13.06%	-7.57%
Max Drawdown (10Y) Largest decline over 10 years	-35.57%	—	—
Current Drawdown Current decline from peak	0.00%	-4.00%	+4.00%
Average Drawdown Average peak-to-trough decline	-4.68%	-4.69%	+0.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.72%	2.64%	-0.92%

Volatility

BYBG.L vs. 100D.L - Volatility Comparison

The current volatility for Amundi S&P 500 Buyback ETF-C USD (BYBG.L) is 2.72%, while Amundi FTSE 100 UCITS ETF (100D.L) has a volatility of 3.98%. This indicates that BYBG.L experiences smaller price fluctuations and is considered to be less risky than 100D.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BYBG.L	100D.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.72%	3.98%	-1.26%
Volatility (6M) Calculated over the trailing 6-month period	7.49%	9.52%	-2.03%
Volatility (1Y) Calculated over the trailing 1-year period	11.02%	10.96%	+0.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.15%	12.88%	+2.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.02%	15.92%	+2.10%

BYBG.L vs. 100D.L - Expense Ratio Comparison

BYBG.L has a 0.15% expense ratio, which is higher than 100D.L's 0.14% 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. 100D.L - Dividend Comparison

BYBG.L has not paid dividends to shareholders, while 100D.L's dividend yield for the trailing twelve months is around 3.57%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
100D.L Amundi FTSE 100 UCITS ETF	3.57%	3.78%	4.17%	3.90%	3.80%	3.39%	3.11%	4.30%
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%

Frequently Asked Questions

Can I hold both BYBG.L and 100D.L in my portfolio?

BYBG.L and 100D.L have a correlation of 0.46, 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 100D.L?

On fees, 100D.L is cheaper at 0.14% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BYBG.L or 100D.L?

100D.L is cheaper with a 0.14% expense ratio, compared with 0.15% for BYBG.L.

What is the main difference between BYBG.L and 100D.L?

BYBG.L is categorized as S&P 500, while 100D.L is Europe Equities. BYBG.L tracks S&P 500 Buyback NTR, while 100D.L tracks FTSE AllSh TR GBP. Their fees differ too: 0.15% for BYBG.L and 0.14% for 100D.L.