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iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) (CU31.L) Sharpe Ratio: 0.50

ETF · Currency in GBp · Last updated Jul 17, 2026

The fund seeks to track the ICE US Treasury 1-3 Year Index, providing European investors with accumulating exposure to USD-denominated short-duration U.S. government debt with maturities between 1 and 3 years.

CU31.L's Sharpe Ratio of 0.50 indicates that for each unit of volatility, it generates 0.50 units of excess return above the risk-free rate. The ratio is calculated using historical daily returns over the past 12 months (as of Jul 17, 2026).

Sharpe uses total volatility (standard deviation) which includes both upside and downside price movements, making it useful for comparing risk-adjusted returns across different assets. For how to read this number and when it can mislead, see Sharpe Ratio Explained.

CU31.L Sharpe Ratio Rank

CU31.L Sharpe Ratio Rank: 18.819
Concerning

CU31.L ranks above 18.8% of all investments in our database based on Sharpe Ratio over the past 12 months, indicating weak returns relative to total risk taken. Securities are ranked from 0 (worst) to 100 (best).

What moves the rank

  • Strong returns with low total volatility → Higher rank
  • High volatility (both upside and downside) → Lower rank
  • Consistent returns → Higher rank than volatile returns of same magnitude
  • Sharp drawdowns increase volatility → Lower rank

What you can do with this information

  • Weak risk-adjusted returns relative to category peers
  • Evaluate whether this holding aligns with your risk-return objectives
  • Consider reducing exposure or re-evaluating position size
  • Review higher-ranked alternatives in the same category

CU31.L Sharpe Ratio Market Positioning

The chart shows CU31.L's Sharpe Ratio relative to all ETFs on our platform, with color zones indicating percentile rankings. Higher ratios indicate better risk-adjusted returns.

  • Red zone (bottom 25%): 0.74 or lower
  • Yellow zone (middle 50%): 0.74 to 1.92
  • Green zone (top 25%): 1.92 or higher
  • Top 1%: 6.44+
  • Median: 1.41 — half of all investments score higher

How it compares to other similar ETFs

The table compares iShares USD Treasury Bond 1-3yr UCITS ETF (Acc)'s Sharpe Ratio with other ETFs in the Government Bonds, Short-Term Bond category across multiple time periods, showing how CU31.L's risk-adjusted performance compares to similar funds.

Data shows 1-, 5-, and 10-year periods, plus each fund's all-time average, as of Jul 17, 2026.

SymbolName1Y Sharpe Ratio5Y Sharpe Ratio10Y Sharpe RatioAll Time Sharpe Ratio
IB01.LiShares USD Treasury Bond 0-1yr UCITS ETF (Acc)11.94
MIST.LPIMCO US Dollar Short Maturity UCITS ETF GBP Hedged (Acc)11.58
PR1T.LAmundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C)9.59
VDST.LVanguard U.S. Treasury 0-1 Year Bond UCITS ETF (USD) Accumulating9.30
BBIL.LJPM BetaBuilders US Treasury Bond 0-1 yr UCITS ETF USD Acc8.85
MINT.LPIMCO US Dollar Short Maturity UCITS ETF USD (Dist)7.87
TREI.LInvesco US Treasury Bond 0-1 Year UCITS ETF USD (Dist)6.65
QUID.LPIMCO Sterling Short Maturity UCITS ETF GBP (Dist)5.93
ERND.LiShares $ Ultrashort Bond UCITS ETF USD (Dist)5.19
TIGB.LInvesco US Treasury Bond 0-1 Year UCITS ETF GBP Hedged Dist4.05
CU31.LiShares USD Treasury Bond 1-3yr UCITS ETF (Acc)0.50

S&P 500 Index

How to choose period

Historical Sharpe Ratio

The chart shows CU31.L's rolling Sharpe ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to total volatility, while declining trends may signal deteriorating risk-adjusted performance or increased volatility. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.

Identify market cycles by observing when CU31.L consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.

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Sharpe Ratio Calculator

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