SMMD vs. STMGX
SMMD (iShares Russell 2500 ETF) and STMGX (American Beacon Stephens Mid-Cap Growth Fund) are both funds - SMMD is a Small Cap Growth Equities fund tracking the Russell 2500 Index, while STMGX is a Mid Cap Growth Equities fund managed by American Beacon. Over the past 5 years, SMMD returned 7.65%/yr vs 6.27%/yr for STMGX. Their correlation of 0.82 suggests significant overlap in exposure. SMMD charges 0.15%/yr vs 1.14%/yr for STMGX.
Performance
SMMD vs. STMGX - Performance Comparison
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Returns By Period
In the year-to-date period, SMMD achieves a 20.07% return, which is significantly higher than STMGX's 9.81% return.
SMMD
- 1D
- 0.98%
- 1M
- 3.73%
- YTD
- 20.07%
- 6M
- 17.82%
- 1Y
- 38.70%
- 3Y*
- 17.74%
- 5Y*
- 7.65%
- 10Y*
- —
STMGX
- 1D
- 2.97%
- 1M
- 5.64%
- YTD
- 9.81%
- 6M
- 9.13%
- 1Y
- 18.86%
- 3Y*
- 16.21%
- 5Y*
- 6.27%
- 10Y*
- 13.82%
SMMD vs. STMGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SMMD iShares Russell 2500 ETF | 20.07% | 11.72% | 11.87% | 17.71% | -18.53% | 18.30% | 19.98% | 28.01% | -10.58% | 11.27% |
STMGX American Beacon Stephens Mid-Cap Growth Fund | 9.81% | 12.98% | 13.16% | 25.22% | -28.31% | 12.29% | 39.82% | 31.31% | 1.71% | 12.68% |
Correlation
The correlation between SMMD and STMGX is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.85 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.87 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.89 |
Correlation (All Time) Calculated using the full available price history since Jul 7, 2017 | 0.82 |
The correlation between SMMD and STMGX has been stable across timeframes, ranging from 0.82 to 0.89 - a consistent structural relationship.
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Return for Risk
SMMD vs. STMGX — Risk / Return Rank
SMMD
STMGX
SMMD vs. STMGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2500 ETF (SMMD) and American Beacon Stephens Mid-Cap Growth Fund (STMGX). 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.
| SMMD | STMGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.01 | ||
| Sortino ratioReturn per unit of downside risk | +1.32 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.18 | +0.16 |
| Calmar ratioReturn relative to maximum drawdown | 3.78 | 1.64 | +2.14 |
| Martin ratioReturn relative to average drawdown | 14.33 | 5.72 | +8.62 |
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Drawdowns
SMMD vs. STMGX - Drawdown Comparison
The maximum SMMD drawdown since its inception was -41.06%, smaller than the maximum STMGX drawdown of -57.58%. Use the drawdown chart below to compare losses from any high point for SMMD and STMGX.
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Drawdown Indicators
| SMMD | STMGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.06% | -57.58% | +16.52% |
Max Drawdown (1Y)Largest decline over 1 year | -9.66% | -10.84% | +1.18% |
Max Drawdown (3Y)Largest decline over 3 years | -25.50% | -22.50% | -3.00% |
Max Drawdown (5Y)Largest decline over 5 years | -28.26% | -36.59% | +8.33% |
Max Drawdown (10Y)Largest decline over 10 years | — | -36.59% | — |
Current DrawdownCurrent decline from peak | 0.00% | -1.65% | +1.65% |
Average DrawdownAverage peak-to-trough decline | -8.35% | -10.14% | +1.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.55% | 3.10% | -0.55% |
Volatility
SMMD vs. STMGX - Volatility Comparison
iShares Russell 2500 ETF (SMMD) and American Beacon Stephens Mid-Cap Growth Fund (STMGX) have volatilities of 6.26% and 6.41%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SMMD | STMGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.26% | 6.41% | -0.15% |
Volatility (6M)Calculated over the trailing 6-month period | 13.30% | 13.49% | -0.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.74% | 16.90% | +0.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.91% | 20.92% | -0.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.38% | 20.92% | +1.46% |
SMMD vs. STMGX - Expense Ratio Comparison
SMMD has a 0.15% expense ratio, which is lower than STMGX's 1.14% expense ratio.
Dividends
SMMD vs. STMGX - Dividend Comparison
SMMD's dividend yield for the trailing twelve months is around 1.04%, less than STMGX's 31.31% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SMMD iShares Russell 2500 ETF | 1.04% | 1.28% | 1.27% | 1.44% | 1.79% | 1.12% | 1.31% | 1.50% | 2.45% | 0.68% | 0.00% | 0.00% |
STMGX American Beacon Stephens Mid-Cap Growth Fund | 31.31% | 34.38% | 4.86% | 0.00% | 3.42% | 7.49% | 1.45% | 3.60% | 9.39% | 5.40% | 6.65% | 5.62% |
Frequently Asked Questions
SMMD and STMGX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
STMGX has higher volatility (6.41%) compared to SMMD (6.26%). In terms of maximum drawdown, SMMD dropped -41.06% vs STMGX's -57.58%.
SMMD currently has the higher Sharpe Ratio (2.06 vs 1.05), 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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