iShares USD Ultrashort Bond UCITS ETF USD (Acc) (ERNA.L) Sharpe Ratio: 4.63

ERNA.L's Sharpe Ratio of 4.63 indicates that for each unit of volatility, it generates 4.63 units of excess return above the risk-free rate. The ratio is calculated using historical daily returns over the past 12 months (as of Apr 2, 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.

ERNA.L Sharpe Ratio Rank

Exceptional

ERNA.L ranks above 98.8% of all investments in our database based on Sharpe Ratio over the past 12 months, demonstrating exceptional risk-adjusted returns. 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

Suitable as a core holding given strong risk-adjusted returns
Monitor rank changes to detect deteriorating return-to-volatility profile
Exceptional Sharpe ratio supports larger position sizes
Compare with category peers to assess whether strength is investment-specific or category-wide

ERNA.L Sharpe Ratio Market Positioning

The chart shows ERNA.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%): 0.49 or lower
Yellow zone (middle 50%): 0.49 to 1.45
Green zone (top 25%): 1.45 or higher
Top 1%: 5.89+
Median: 0.98 — half of all investments score higher

How it compares to other similar ETFs

The table compares iShares USD Ultrashort Bond UCITS ETF USD (Acc)'s Sharpe Ratio with other ETFs in the Corporate Bonds category across multiple time periods, showing how ERNA.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 Apr 2, 2026.

Symbol	Name	1Y Sharpe Ratio
ERNA.L	iShares USD Ultrashort Bond UCITS ETF USD (Acc)	4.63
SUSU.L	iShares USD Corporate Bond 0-3yr ESG UCITS ETF USD (Dist)	2.26
XYLD.L	Xtrackers USD Corporate Bond Short Duration SRI PAB UCITS ETF 1D	1.94
SDIA.L	iShares USD Short Duration Corporate Bond UCITS ETF (Acc)	1.83
FLOA.L	iShares USD Floating Rate Bond UCITS ETF USD (Acc)	1.82
IUCB.L	SPDR Bloomberg 1-10 Year US Corporate Bond UCITS ETF	1.33
LDCU.L	PIMCO US Low Duration Corporate Bond UCITS ETF Dist	1.32
ICBU.L	iShares USD Intermediate Credit Bond UCITS ETF	1.30
PUIG.L	Invesco USD Corporate Bond UCITS ETF Dist	1.13
SLXX.L	iShares Core £ Corp Bond UCITS ETF	0.90

Benchmark Against

Benchmark

S&P 500 Index

Lookback Period

How to choose period

Historical Sharpe Ratio

The chart shows ERNA.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 ERNA.L consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.

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Explore ERNA.L risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

ERNA.L Sortino Ratio