SPXS.L vs. BYBG.L
SPXS.L (Invesco S&P 500 UCITS ETF USD (Acc)) and BYBG.L (Amundi S&P 500 Buyback ETF-C USD) are both S&P 500 funds - SPXS.L tracks the S&P 500 Index while BYBG.L tracks the S&P 500 Buyback NTR. Both are passively managed. Over the past 10 years, SPXS.L returned -27.46%/yr vs 12.91%/yr for BYBG.L. A 0.77 correlation means they provide meaningful diversification when combined. SPXS.L charges 0.05%/yr vs 0.15%/yr for BYBG.L.
Performance
SPXS.L vs. BYBG.L - Performance Comparison
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Different Trading Currencies
SPXS.L is traded in USD, while BYBG.L is traded in GBp. To make them comparable, the BYBG.L values have been converted to USD using the latest available exchange rates.
Returns By Period
The year-to-date returns for both investments are quite close, with SPXS.L having a 8.95% return and BYBG.L slightly higher at 9.20%. Over the past 10 years, SPXS.L has underperformed BYBG.L with an annualized return of -27.46%, while BYBG.L has yielded a comparatively higher 12.91% annualized return.
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%
BYBG.L
- 1D
- -0.16%
- 1M
- 1.41%
- 6M
- 7.01%
- YTD
- 9.20%
- 1Y
- 18.55%
- 3Y*
- 15.81%
- 5Y*
- 10.27%
- 10Y*
- 12.91%
SPXS.L vs. BYBG.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
BYBG.L Amundi S&P 500 Buyback ETF-C USD | 9.20% | 17.67% | 13.90% | 15.36% | -11.84% | 34.72% | 5.11% | 31.61% | -9.05% | 20.57% |
Correlation
The correlation between SPXS.L and BYBG.L is 0.59, 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 | 0.59 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.67 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.75 |
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 | 0.77 |
The correlation between SPXS.L and BYBG.L shifts across timeframes, from 0.59 (1 year) to 0.77 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
SPXS.L vs. BYBG.L — Risk / Return Rank
SPXS.L
BYBG.L
SPXS.L vs. BYBG.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 UCITS ETF USD (Acc) (SPXS.L) and Amundi S&P 500 Buyback ETF-C USD (BYBG.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.
| SPXS.L | BYBG.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.58 | ||
| Sortino ratioReturn per unit of downside risk | -3.20 | ||
| Omega ratioGain probability vs. loss probability | 0.51 | 1.27 | -0.76 |
| Calmar ratioReturn relative to maximum drawdown | -1.00 | 3.49 | -4.49 |
| Martin ratioReturn relative to average drawdown | -1.22 | 9.81 | -11.03 |
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Drawdowns
SPXS.L vs. BYBG.L - Drawdown Comparison
The maximum SPXS.L drawdown since its inception was -99.07%, which is greater than BYBG.L's maximum drawdown of -49.35%. Use the drawdown chart below to compare losses from any high point for SPXS.L and BYBG.L.
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Drawdown Indicators
| SPXS.L | BYBG.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.07% | -49.35% | -49.72% |
Max Drawdown (1Y)Largest decline over 1 year | -99.07% | -5.29% | -93.78% |
Max Drawdown (3Y)Largest decline over 3 years | -99.07% | -19.07% | -80.00% |
Max Drawdown (5Y)Largest decline over 5 years | -99.07% | -23.28% | -75.79% |
Max Drawdown (10Y)Largest decline over 10 years | -99.07% | -42.67% | -56.40% |
Current DrawdownCurrent decline from peak | -98.91% | -0.16% | -98.75% |
Average DrawdownAverage peak-to-trough decline | -7.69% | -14.71% | +7.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 80.82% | 1.89% | +78.93% |
Volatility
SPXS.L vs. BYBG.L - Volatility Comparison
Invesco S&P 500 UCITS ETF USD (Acc) (SPXS.L) and Amundi S&P 500 Buyback ETF-C USD (BYBG.L) have volatilities of 3.01% and 3.14%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPXS.L | BYBG.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.01% | 3.14% | -0.13% |
Volatility (6M)Calculated over the trailing 6-month period | 9.33% | 8.18% | +1.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 99.43% | 11.69% | +87.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 47.12% | 16.58% | +30.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 35.28% | 18.82% | +16.46% |
SPXS.L vs. BYBG.L - Expense Ratio Comparison
SPXS.L has a 0.05% expense ratio, which is lower than BYBG.L's 0.15% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
SPXS.L vs. BYBG.L - Dividend Comparison
Neither SPXS.L nor BYBG.L has paid dividends to shareholders.
Frequently Asked Questions
SPXS.L and BYBG.L have a correlation of 0.59, 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 BYBG.L.
SPXS.L tracks S&P 500 Index, while BYBG.L tracks S&P 500 Buyback NTR. They also come from different issuers: Invesco and Amundi. Their fees differ too: 0.05% for SPXS.L and 0.15% for BYBG.L.
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