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IMCB vs. ISCB
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IMCB vs. ISCB

Last updated Aug 4, 2026
Documentation

IMCB (iShares Morningstar Mid-Cap ETF) and ISCB (iShares Morningstar Small-Cap ETF) are both exchange-traded funds - IMCB is a Mid Cap Blend Equities fund tracking the IMCB-US - Morningstar U.S. Mid Cap Index, while ISCB is a Small Cap Blend Equities fund tracking the Morningstar US Small Cap Extended Index. Both are passively managed. Over the past 10 years, IMCB returned 11.25%/yr vs 9.19%/yr for ISCB. Their correlation of 0.92 means they have usually moved in the same direction. Both charge a 0.04% expense ratio.

Performance

IMCB vs. ISCB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Morningstar Mid-Cap ETF (IMCB) and iShares Morningstar Small-Cap ETF (ISCB). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IMCB achieves a 19.07% return, which is significantly higher than ISCB's 16.70% return. Over the past 10 years, IMCB has outperformed ISCB with an annualized return of 11.25%, while ISCB has yielded a comparatively lower 9.19% annualized return.

IMCB

1D
1.01%
1M
1.00%
6M
14.82%
YTD
19.07%
1Y
24.45%
3Y*
17.04%
5Y*
9.36%
10Y*
11.25%
ALL TIME*
10.44%

ISCB

1D
1.49%
1M
0.56%
6M
11.41%
YTD
16.70%
1Y
30.98%
3Y*
15.37%
5Y*
7.74%
10Y*
9.19%
ALL TIME*
8.96%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

IMCB

iShares Morningstar Mid-Cap ETF
$3.07M$3.70M$3.21M

ISCB

iShares Morningstar Small-Cap ETF
$524.82K$428.40K$304.44K

IMCB vs. ISCB - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IMCB
iShares Morningstar Mid-Cap ETF		19.07%10.25%15.10%16.37%-16.09%22.81%13.35%31.49%-11.53%19.70%
ISCB
iShares Morningstar Small-Cap ETF		16.70%12.46%10.90%19.51%-19.04%17.46%6.29%29.42%-13.92%12.95%

Correlation

The correlation between IMCB and ISCB is 0.93, meaning they have usually moved in the same direction, including during past declines.

Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.93

Correlation (3Y)
Balances recent behavior with more history.

0.93

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.94

Correlation (10Y)
Provides a long-term view across more market conditions.

0.92

Correlation (All Time)
Calculated using the full available price history since Jul 2, 2004

0.92

The correlation between IMCB and ISCB has been stable across timeframes, ranging from 0.92 to 0.94 - a consistent structural relationship.

IMCB vs. ISCB - Sectors Allocation Comparison

Sectors
IMCB
ISCB

Industrials

18.4%
16.3%

Technology

17.9%
15.0%

Financial Services

14.1%
16.6%

Consumer Cyclical

9.7%
11.1%

Healthcare

8.8%
14.9%

Energy

7.0%
4.2%

Utilities

6.5%
2.5%

Basic Materials

5.5%
4.5%

Consumer Defensive

5.1%
3.8%

Real Estate

4.5%
8.3%

Communication Services

2.4%
2.6%

Industrials

IMCB
18.4%
ISCB
16.3%

Technology

IMCB
17.9%
ISCB
15.0%

Financial Services

IMCB
14.1%
ISCB
16.6%

Consumer Cyclical

IMCB
9.7%
ISCB
11.1%

Healthcare

IMCB
8.8%
ISCB
14.9%

Energy

IMCB
7.0%
ISCB
4.2%

Utilities

IMCB
6.5%
ISCB
2.5%

Basic Materials

IMCB
5.5%
ISCB
4.5%

Consumer Defensive

IMCB
5.1%
ISCB
3.8%

Real Estate

IMCB
4.5%
ISCB
8.3%

Communication Services

IMCB
2.4%
ISCB
2.6%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares Morningstar Mid-Cap ETF

iShares Morningstar Small-Cap ETF

Often compared with IMCB:
IMCB vs. IMCGIMCB vs. FSMDXIMCB vs. BKMCIMCB vs. SPMDIMCB vs. VOIMCB vs. IJHIMCB vs. BBMC
Often compared with ISCB:
ISCB vs. VBISCB vs. ISCGISCB vs. IJRISCB vs. SPSMISCB vs. IWMISCB vs. SCHAISCB vs. SCHG

Return for Risk

IMCB vs. ISCB — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
IMCB
IMCB Risk / Return Rank: 8080
Overall Rank
IMCB Sharpe Ratio Rank: 7979
Sharpe Ratio Rank
IMCB Sortino Ratio Rank: 8080
Sortino Ratio Rank
IMCB Omega Ratio Rank: 7878
Omega Ratio Rank
IMCB Calmar Ratio Rank: 8181
Calmar Ratio Rank
IMCB Martin Ratio Rank: 8585
Martin Ratio Rank
ISCB
ISCB Risk / Return Rank: 8181
Overall Rank
ISCB Sharpe Ratio Rank: 8080
Sharpe Ratio Rank
ISCB Sortino Ratio Rank: 8181
Sortino Ratio Rank
ISCB Omega Ratio Rank: 7676
Omega Ratio Rank
ISCB Calmar Ratio Rank: 8484
Calmar Ratio Rank
ISCB Martin Ratio Rank: 8484
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

IMCB vs. ISCB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Morningstar Mid-Cap ETF (IMCB) and iShares Morningstar Small-Cap ETF (ISCB). 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.

IMCBISCBDifference
Sharpe ratioReturn per unit of total volatility
1.89
1.90

-0.01

Sortino ratioReturn per unit of downside risk
2.66
2.74

-0.07

Omega ratioGain probability vs. loss probability

1.34

1.33

+0.01

Calmar ratioReturn relative to maximum drawdown

3.05

3.31

-0.26

Martin ratioReturn relative to average drawdown

12.23

11.98

+0.25

IMCB vs. ISCB - Sharpe Ratio Comparison

The current IMCB Sharpe Ratio is 1.89, which is comparable to the ISCB Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of IMCB and ISCB, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

IMCB vs. ISCB - Drawdown Comparison

The maximum IMCB drawdown since its inception was -58.80%, roughly equal to the maximum ISCB drawdown of -61.25%. Use the drawdown chart below to compare losses from any high point for IMCB and ISCB.

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Drawdown Indicators

IMCBISCBDifference

Max Drawdown

Largest peak-to-trough decline

-58.80%

-61.25%

+2.45%

Max Drawdown (1Y)

Largest decline over 1 year

-8.05%

-9.39%

+1.34%

Max Drawdown (3Y)

Largest decline over 3 years

-19.80%

-26.22%

+6.42%

Max Drawdown (5Y)

Largest decline over 5 years

-25.15%

-29.94%

+4.79%

Max Drawdown (10Y)

Largest decline over 10 years

-40.99%

-44.18%

+3.19%

Current Drawdown

Current decline from peak

0.00%

-0.10%

+0.10%

Average Drawdown

Average peak-to-trough decline

-7.68%

-9.74%

+2.06%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.00%

2.59%

-0.59%

Volatility

IMCB vs. ISCB - Volatility Comparison

The current volatility for iShares Morningstar Mid-Cap ETF (IMCB) is 2.51%, while iShares Morningstar Small-Cap ETF (ISCB) has a volatility of 3.64%. This indicates that IMCB experiences smaller price fluctuations and is considered to be less risky than ISCB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IMCBISCBDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.51%

3.64%

-1.13%

Volatility (6M)

Calculated over the trailing 6-month period

9.95%

11.53%

-1.58%

Volatility (1Y)

Calculated over the trailing 1-year period

13.05%

16.42%

-3.37%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.57%

21.29%

-3.72%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

19.61%

22.62%

-3.01%

IMCB vs. ISCB - Expense Ratio Comparison

Both IMCB and ISCB have an expense ratio of 0.04%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IMCB vs. ISCB - Dividend Comparison

IMCB's dividend yield for the trailing twelve months is around 1.20%, less than ISCB's 1.26% yield.

PositionTTM20252024202320222021202020192018201720162015
IMCB
iShares Morningstar Mid-Cap ETF		1.20%1.42%1.43%1.55%1.70%1.08%1.12%1.32%1.80%1.31%1.79%1.47%
ISCB
iShares Morningstar Small-Cap ETF		1.26%1.38%1.31%1.49%1.63%1.26%1.26%1.25%1.60%1.24%1.58%1.40%

Frequently Asked Questions

With a correlation of 0.93, IMCB and ISCB move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

ISCB has higher volatility (3.64%) compared to IMCB (2.51%). In terms of maximum drawdown, IMCB dropped -58.80% vs ISCB's -61.25%.

On 10-year performance, IMCB leads with 11.25% vs 9.19% for ISCB. Both ETFs have the same 0.04% expense ratio. On volatility, IMCB has been the lower-risk option at 2.51%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, IMCB has performed better with a 11.25% return vs 9.19%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IMCB and ISCB have the same expense ratio: 0.04% per year.

ISCB has the higher dividend yield at 1.26%, compared with 1.20% for IMCB.

IMCB is categorized as Mid Cap Blend Equities, while ISCB is Small Cap Blend Equities. IMCB tracks IMCB-US - Morningstar U.S. Mid Cap Index, while ISCB tracks Morningstar US Small Cap Extended Index.

ISCB currently has the higher Sharpe Ratio (1.90 vs 1.89), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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