BYBG.L vs. IESU.L
BYBG.L (Amundi S&P 500 Buyback ETF-C USD) and IESU.L (iShares S&P 500 Energy Sector UCITS ETF USD (Acc)) are both exchange-traded funds - BYBG.L is a S&P 500 fund tracking the S&P 500 Buyback NTR, while IESU.L is a Energy Equities fund tracking the S&P 500 Capped 35/20 Energy Index NTR. Both are passively managed. Over the past 10 years, BYBG.L returned 12.62%/yr vs 8.50%/yr for IESU.L. A 0.56 correlation means they provide meaningful diversification when combined. Both charge a 0.15% expense ratio.
Performance
BYBG.L vs. IESU.L - Performance Comparison
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Returns By Period
In the year-to-date period, BYBG.L achieves a 9.26% return, which is significantly lower than IESU.L's 28.61% return. Over the past 10 years, BYBG.L has outperformed IESU.L with an annualized return of 12.62%, while IESU.L has yielded a comparatively lower 8.50% annualized return.
BYBG.L
- 1D
- 0.05%
- 1M
- 0.21%
- 6M
- 6.44%
- YTD
- 9.26%
- 1Y
- 18.25%
- 3Y*
- 14.61%
- 5Y*
- 10.77%
- 10Y*
- 12.62%
IESU.L
- 1D
- 1.07%
- 1M
- 4.80%
- 6M
- 20.56%
- YTD
- 28.61%
- 1Y
- 35.99%
- 3Y*
- 13.44%
- 5Y*
- 22.82%
- 10Y*
- 8.50%
BYBG.L vs. IESU.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 | 9.26% | 9.41% | 15.83% | 9.58% | -1.29% | 35.95% | 1.99% | 26.54% | -3.60% | 10.09% |
IESU.L iShares S&P 500 Energy Sector UCITS ETF USD (Acc) | 28.61% | 2.26% | 5.45% | -5.96% | 83.53% | 53.82% | -35.62% | 5.37% | -13.39% | -10.01% |
Correlation
The correlation between BYBG.L and IESU.L is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.17 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.41 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.45 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since Nov 20, 2015 | 0.56 |
Over the past year, the correlation between BYBG.L and IESU.L has dropped to 0.17 - well below their long-term average of 0.56, suggesting their price drivers have been diverging.
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Return for Risk
BYBG.L vs. IESU.L — Risk / Return Rank
BYBG.L
IESU.L
BYBG.L vs. IESU.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 iShares S&P 500 Energy Sector UCITS ETF USD (Acc) (IESU.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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BYBG.L | IESU.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.19 | ||
| Sortino ratioReturn per unit of downside risk | +0.43 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.26 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 3.74 | 2.07 | +1.68 |
| Martin ratioReturn relative to average drawdown | 10.51 | 5.01 | +5.50 |
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Drawdowns
BYBG.L vs. IESU.L - Drawdown Comparison
The maximum BYBG.L drawdown since its inception was -45.82%, smaller than the maximum IESU.L drawdown of -63.88%. Use the drawdown chart below to compare losses from any high point for BYBG.L and IESU.L.
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Drawdown Indicators
| BYBG.L | IESU.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.82% | -63.88% | +18.06% |
Max Drawdown (1Y)Largest decline over 1 year | -4.86% | -17.34% | +12.48% |
Max Drawdown (3Y)Largest decline over 3 years | -20.63% | -26.36% | +5.73% |
Max Drawdown (5Y)Largest decline over 5 years | -20.63% | -26.36% | +5.73% |
Max Drawdown (10Y)Largest decline over 10 years | -35.57% | -62.16% | +26.59% |
Current DrawdownCurrent decline from peak | -0.84% | -10.65% | +9.81% |
Average DrawdownAverage peak-to-trough decline | -10.00% | -20.50% | +10.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.73% | 7.16% | -5.43% |
Volatility
BYBG.L vs. IESU.L - Volatility Comparison
The current volatility for Amundi S&P 500 Buyback ETF-C USD (BYBG.L) is 3.46%, while iShares S&P 500 Energy Sector UCITS ETF USD (Acc) (IESU.L) has a volatility of 7.50%. This indicates that BYBG.L experiences smaller price fluctuations and is considered to be less risky than IESU.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.L | IESU.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.46% | 7.50% | -4.04% |
Volatility (6M)Calculated over the trailing 6-month period | 7.89% | 21.74% | -13.85% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.07% | 24.54% | -13.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.21% | 29.08% | -13.87% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.85% | 29.16% | -11.31% |
BYBG.L vs. IESU.L - Expense Ratio Comparison
Both BYBG.L and IESU.L have an expense ratio of 0.15%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
BYBG.L vs. IESU.L - Dividend Comparison
Neither BYBG.L nor IESU.L has paid dividends to shareholders.
Frequently Asked Questions
BYBG.L and IESU.L have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 0.15% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
BYBG.L and IESU.L have the same expense ratio: 0.15% per year.
BYBG.L is categorized as S&P 500, while IESU.L is Energy Equities. BYBG.L tracks S&P 500 Buyback NTR, while IESU.L tracks S&P 500 Capped 35/20 Energy Index NTR. They also come from different issuers: Amundi and iShares.
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