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iShares € Ultrashort Bond UCITS ETF (ERN1.L) Sharpe Ratio: 0.37

ETF · Currency in GBP · Last updated Jun 5, 2026

ERN1.L is a passive ETF by iShares tracking the investment results of the Markit iBoxx EUR Liquid Investment Grade Ultrashort Index. ERN1.L launched on Oct 16, 2013 and has a 0.09% expense ratio.

ERN1.L's Sharpe Ratio of 0.37 indicates that for each unit of volatility, it generates 0.37 units of excess return above the risk-free rate. The ratio is calculated using historical daily returns over the past 12 months (as of Jun 5, 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.

ERN1.L Sharpe Ratio Rank

ERN1.L Sharpe Ratio Rank: 14.915
Concerning

ERN1.L ranks above 14.9% 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

ERN1.L Sharpe Ratio Market Positioning

The chart shows ERN1.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%): 0.86 or lower
  • Yellow zone (middle 50%): 0.86 to 2.40
  • Green zone (top 25%): 2.40 or higher
  • Top 1%: 7.78+
  • Median: 1.69 — half of all investments score higher

How it compares to other similar ETFs

The table compares iShares € Ultrashort Bond UCITS ETF's Sharpe Ratio with other ETFs in the Ultrashort Bond category across multiple time periods, showing how ERN1.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 Jun 5, 2026.

SymbolName1Y Sharpe Ratio5Y Sharpe Ratio10Y Sharpe RatioAll Time Sharpe Ratio
PR1T.LAmundi Prime US Treasury Bond 0-1 Y UCITS ETF DR USD (C)12.95
IB01.LiShares USD Treasury Bond 0-1yr UCITS ETF (Acc)11.94
VDST.LVanguard U.S. Treasury 0-1 Year Bond UCITS ETF (USD) Accumulating9.31
U03A.LiShares USD Treasury Bond 0-3 Month UCITS ETF USD (Acc)8.85
IBTU.LiShares USD Treasury Bond 0-1yr UCITS ETF USD (Dist)8.12
JGSA.LJPM GBP Ultra-Short Income Active ETF GBP Acc7.14
JGST.LJPM GBP Ultra-Short Income Active UCITS ETF - GBP (dist)6.55
JPSA.LJPMorgan USD Ultra-Short Income Active UCITS ETF USD Acc6.47
ERNS.LiShares £ Ultrashort Bond UCITS ETF GBP (Dist)5.30
BB3M.LJPM BetaBuilders US Treasury Bond 0-3 Months UCITS ETF USD Acc USD4.80
ERN1.LiShares € Ultrashort Bond UCITS ETF0.37

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How to choose period

Historical Sharpe Ratio

The chart shows ERN1.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 ERN1.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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