CSPX.L vs. UST
CSPX.L (iShares Core S&P 500 UCITS ETF USD (Acc)) and UST (ProShares Ultra 7-10 Year Treasury) are both exchange-traded funds - CSPX.L is a S&P 500 fund tracking the S&P 500 Index, while UST is a Leveraged Bonds fund tracking the Barclays Capital U.S. 7-10 Year Treasury Index (200%). Both are passively managed. Over the past 10 years, CSPX.L returned 15.24%/yr vs -2.25%/yr for UST. At a correlation of -0.15, they often move in opposite directions. CSPX.L charges 0.07%/yr vs 0.95%/yr for UST.
Performance
CSPX.L vs. UST - Performance Comparison
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Returns By Period
In the year-to-date period, CSPX.L achieves a 8.40% return, which is significantly higher than UST's -2.66% return. Over the past 10 years, CSPX.L has outperformed UST with an annualized return of 15.24%, while UST has yielded a comparatively lower -2.25% annualized return.
CSPX.L
- 1D
- 2.02%
- 1M
- -0.83%
- YTD
- 8.40%
- 6M
- 9.68%
- 1Y
- 24.86%
- 3Y*
- 20.75%
- 5Y*
- 13.23%
- 10Y*
- 15.24%
UST
- 1D
- -0.42%
- 1M
- 0.09%
- YTD
- -2.66%
- 6M
- -2.37%
- 1Y
- 3.24%
- 3Y*
- 0.27%
- 5Y*
- -6.96%
- 10Y*
- -2.25%
CSPX.L vs. UST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CSPX.L iShares Core S&P 500 UCITS ETF USD (Acc) | 8.40% | 17.45% | 25.25% | 26.74% | -18.72% | 29.35% | 17.62% | 30.55% | -5.46% | 21.60% |
UST ProShares Ultra 7-10 Year Treasury | -2.66% | 10.26% | -6.19% | 0.16% | -30.19% | -7.81% | 18.83% | 13.34% | -1.09% | 3.21% |
Correlation
The correlation between CSPX.L and UST is 0.10, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.10 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.09 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.02 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.09 |
Correlation (All Time) Calculated using the full available price history since Sep 15, 2010 | -0.15 |
The correlation between CSPX.L and UST shifts across timeframes, from -0.15 (all time) to 0.10 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
CSPX.L vs. UST — Risk / Return Rank
CSPX.L
UST
CSPX.L vs. UST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P 500 UCITS ETF USD (Acc) (CSPX.L) and ProShares Ultra 7-10 Year Treasury (UST). 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.
| CSPX.L | UST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.76 | ||
| Sortino ratioReturn per unit of downside risk | +2.54 | ||
| Omega ratioGain probability vs. loss probability | 1.36 | 1.05 | +0.31 |
| Calmar ratioReturn relative to maximum drawdown | 2.98 | 0.28 | +2.70 |
| Martin ratioReturn relative to average drawdown | 12.45 | 0.77 | +11.68 |
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Drawdowns
CSPX.L vs. UST - Drawdown Comparison
The maximum CSPX.L drawdown since its inception was -33.90%, smaller than the maximum UST drawdown of -47.99%. Use the drawdown chart below to compare losses from any high point for CSPX.L and UST.
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Drawdown Indicators
| CSPX.L | UST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.90% | -47.99% | +14.09% |
Max Drawdown (1Y)Largest decline over 1 year | -8.17% | -8.75% | +0.58% |
Max Drawdown (3Y)Largest decline over 3 years | -18.50% | -16.74% | -1.76% |
Max Drawdown (5Y)Largest decline over 5 years | -24.39% | -43.97% | +19.58% |
Max Drawdown (10Y)Largest decline over 10 years | -33.90% | -47.99% | +14.09% |
Current DrawdownCurrent decline from peak | -2.27% | -38.19% | +35.92% |
Average DrawdownAverage peak-to-trough decline | -3.72% | -15.16% | +11.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.96% | 3.22% | -1.26% |
Volatility
CSPX.L vs. UST - Volatility Comparison
iShares Core S&P 500 UCITS ETF USD (Acc) (CSPX.L) has a higher volatility of 4.01% compared to ProShares Ultra 7-10 Year Treasury (UST) at 3.25%. This indicates that CSPX.L's price experiences larger fluctuations and is considered to be riskier than UST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CSPX.L | UST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.01% | 3.25% | +0.76% |
Volatility (6M)Calculated over the trailing 6-month period | 9.03% | 6.75% | +2.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.04% | 9.35% | +2.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.03% | 15.47% | +0.56% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.22% | 13.18% | +3.04% |
CSPX.L vs. UST - Expense Ratio Comparison
CSPX.L has a 0.07% expense ratio, which is lower than UST's 0.95% expense ratio.
Dividends
CSPX.L vs. UST - Dividend Comparison
CSPX.L has not paid dividends to shareholders, while UST's dividend yield for the trailing twelve months is around 3.48%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSPX.L iShares Core S&P 500 UCITS ETF USD (Acc) | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
UST ProShares Ultra 7-10 Year Treasury | 3.48% | 3.65% | 4.09% | 3.49% | 0.47% | 0.27% | 0.53% | 1.42% | 1.71% | 0.84% | 0.64% | 0.75% |
Frequently Asked Questions
CSPX.L and UST have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CSPX.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CSPX.L is cheaper with a 0.07% expense ratio, compared with 0.95% for UST.
CSPX.L is categorized as S&P 500, while UST is Leveraged Bonds. CSPX.L tracks S&P 500 Index, while UST tracks Barclays Capital U.S. 7-10 Year Treasury Index (200%). They also come from different issuers: BlackRock and ProShares. Their fees differ too: 0.07% for CSPX.L and 0.95% for UST.
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