BYBU.L vs. SPXS.L
BYBU.L (Amundi S&P 500 Buyback ETF-C USD) and SPXS.L (Invesco S&P 500 UCITS ETF USD (Acc)) are both S&P 500 funds - BYBU.L tracks the S&P 500 Buyback NTR while SPXS.L tracks the S&P 500 Index. Both are passively managed. Over the past 10 years, BYBU.L returned 12.89%/yr vs -27.46%/yr for SPXS.L. A 0.73 correlation means they provide meaningful diversification when combined. BYBU.L charges 0.15%/yr vs 0.05%/yr for SPXS.L.
Performance
BYBU.L vs. SPXS.L - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with BYBU.L having a 9.15% return and SPXS.L slightly lower at 8.95%. Over the past 10 years, BYBU.L has outperformed SPXS.L with an annualized return of 12.89%, while SPXS.L has yielded a comparatively lower -27.46% annualized return.
BYBU.L
- 1D
- -0.17%
- 1M
- 0.63%
- 6M
- 6.98%
- YTD
- 9.15%
- 1Y
- 18.65%
- 3Y*
- 15.73%
- 5Y*
- 10.24%
- 10Y*
- 12.89%
SPXS.L
- 1D
- -1.32%
- 1M
- -0.60%
- 6M
- 8.00%
- YTD
- 8.95%
- 1Y
- -98.80%
- 3Y*
- -74.24%
- 5Y*
- -55.04%
- 10Y*
- -27.46%
BYBU.L vs. SPXS.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BYBU.L Amundi S&P 500 Buyback ETF-C USD | 9.15% | 17.38% | 14.02% | 15.99% | -11.79% | 34.22% | 5.56% | 31.53% | -8.56% | 20.60% |
SPXS.L Invesco S&P 500 UCITS ETF USD (Acc) | 8.95% | -98.82% | 25.56% | 27.00% | -18.53% | 29.64% | 17.89% | 30.86% | -5.19% | 21.62% |
Correlation
The correlation between BYBU.L and SPXS.L is 0.66, 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 | 0.66 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.80 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.75 |
Correlation (All Time) Calculated using the full available price history since Feb 3, 2015 | 0.73 |
The correlation between BYBU.L and SPXS.L shifts across timeframes, from 0.66 (1 year) to 0.80 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
BYBU.L vs. SPXS.L — Risk / Return Rank
BYBU.L
SPXS.L
BYBU.L vs. SPXS.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amundi S&P 500 Buyback ETF-C USD (BYBU.L) and Invesco S&P 500 UCITS ETF USD (Acc) (SPXS.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.
| BYBU.L | SPXS.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.54 | ||
| Sortino ratioReturn per unit of downside risk | +3.17 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 0.51 | +0.76 |
| Calmar ratioReturn relative to maximum drawdown | 3.58 | -1.00 | +4.57 |
| Martin ratioReturn relative to average drawdown | 9.86 | -1.22 | +11.09 |
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Drawdowns
BYBU.L vs. SPXS.L - Drawdown Comparison
The maximum BYBU.L drawdown since its inception was -43.01%, smaller than the maximum SPXS.L drawdown of -99.07%. Use the drawdown chart below to compare losses from any high point for BYBU.L and SPXS.L.
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Drawdown Indicators
| BYBU.L | SPXS.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.01% | -99.07% | +56.06% |
Max Drawdown (1Y)Largest decline over 1 year | -5.19% | -99.07% | +93.88% |
Max Drawdown (3Y)Largest decline over 3 years | -19.21% | -99.07% | +79.86% |
Max Drawdown (5Y)Largest decline over 5 years | -22.69% | -99.07% | +76.38% |
Max Drawdown (10Y)Largest decline over 10 years | -43.01% | -99.07% | +56.06% |
Current DrawdownCurrent decline from peak | -0.17% | -98.91% | +98.74% |
Average DrawdownAverage peak-to-trough decline | -5.55% | -7.69% | +2.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.89% | 80.82% | -78.93% |
Volatility
BYBU.L vs. SPXS.L - Volatility Comparison
Amundi S&P 500 Buyback ETF-C USD (BYBU.L) has a higher volatility of 3.29% compared to Invesco S&P 500 UCITS ETF USD (Acc) (SPXS.L) at 3.01%. This indicates that BYBU.L's price experiences larger fluctuations and is considered to be riskier than SPXS.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BYBU.L | SPXS.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.29% | 3.01% | +0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 8.62% | 9.33% | -0.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.06% | 99.43% | -87.37% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.87% | 47.12% | -30.25% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.71% | 35.28% | -16.57% |
BYBU.L vs. SPXS.L - Expense Ratio Comparison
BYBU.L has a 0.15% expense ratio, which is higher than SPXS.L's 0.05% 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
BYBU.L vs. SPXS.L - Dividend Comparison
Neither BYBU.L nor SPXS.L has paid dividends to shareholders.
Frequently Asked Questions
BYBU.L and SPXS.L have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, SPXS.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
SPXS.L is cheaper with a 0.05% expense ratio, compared with 0.15% for BYBU.L.
BYBU.L tracks S&P 500 Buyback NTR, while SPXS.L tracks S&P 500 Index. They also come from different issuers: Amundi and Invesco. Their fees differ too: 0.15% for BYBU.L and 0.05% for SPXS.L.
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