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iShares Russell Small/Mid-Cap Index Fund Investor A Shares (BSMAX) Sharpe Ratio: 1.59

Mutual Fund · Currency in USD · Last updated Jul 29, 2026

The fund seeks to track the performance of the Russell 2500 Index, which represents the small- to mid-capitalization segment of the U.S. equity market. It provides broad, market-cap-weighted exposure to approximately 2,500 U.S. companies below the largest-cap segment.

BSMAX's Sharpe Ratio of 1.59 indicates that for each unit of volatility, it generates 1.59 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 29, 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.

BSMAX Sharpe Ratio Rank

BSMAX Sharpe Ratio Rank: 67.768
Above Average

BSMAX ranks above 67.7% of all investments in our database based on Sharpe Ratio over the past 12 months, indicating above-average returns relative to volatility. 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

  • Above-average risk-adjusted returns with room for improvement
  • Compare against category peers to gauge relative positioning
  • Monitor for movement toward top tier or decline toward median
  • Consider pairing with top-tier holdings to improve portfolio efficiency

BSMAX Sharpe Ratio Market Positioning

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

  • Red zone (bottom 25%): 0.89 or lower
  • Yellow zone (middle 50%): 0.89 to 1.75
  • Green zone (top 25%): 1.75 or higher
  • Top 1%: 3.75+
  • Median: 1.36 — half of all investments score higher

How it compares to other similar mutual funds

The table compares iShares Russell Small/Mid-Cap Index Fund Investor A Shares's Sharpe Ratio with other mutual funds in the Small Cap Blend Equities category across multiple time periods, showing how BSMAX'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 29, 2026.

SymbolName1Y Sharpe Ratio5Y Sharpe Ratio10Y Sharpe RatioAll Time Sharpe Ratio
WWSIXKeeley Small Cap Fund Class Institutional2.66
WESCXTETON Westwood SmallCap Equity Fund2.65
GQSCXGlenmede Quantitative U.S. Small Cap Equity Portfolio2.65
MOPIXMainStay WMC Small Companies Fund2.34
RIVSXRiver Oak Discovery Fund2.29
IPSIXVoya Index Plus SmallCap Portfolio2.28
AUERXAuer Growth Fund2.19
VSTCXVanguard Strategic Small-Cap Equity Fund2.19
RYOTXRoyce Micro Cap Series Fund2.13
AFMCXAcuitas US Microcap Fund2.12
BSMAXiShares Russell Small/Mid-Cap Index Fund Investor A Shares1.59
Benchmark

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Time Period

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Historical Sharpe Ratio

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

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