CSMCX vs. IWO
CSMCX (Congress Small Cap Growth Fund) and IWO (iShares Russell 2000 Growth ETF) are both Small Cap Growth Equities funds. Over the past 10 years, CSMCX returned 17.39%/yr vs 12.01%/yr for IWO. Their correlation of 0.91 suggests significant overlap in exposure. CSMCX charges 1.00%/yr vs 0.24%/yr for IWO.
Performance
CSMCX vs. IWO - Performance Comparison
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Returns By Period
In the year-to-date period, CSMCX achieves a 18.84% return, which is significantly lower than IWO's 20.20% return. Over the past 10 years, CSMCX has outperformed IWO with an annualized return of 17.39%, while IWO has yielded a comparatively lower 12.01% annualized return.
CSMCX
- 1D
- -0.34%
- 1M
- 8.19%
- YTD
- 18.84%
- 6M
- 15.45%
- 1Y
- 28.53%
- 3Y*
- 17.02%
- 5Y*
- 9.47%
- 10Y*
- 17.39%
IWO
- 1D
- -1.57%
- 1M
- 4.24%
- YTD
- 20.20%
- 6M
- 16.81%
- 1Y
- 39.68%
- 3Y*
- 19.15%
- 5Y*
- 5.15%
- 10Y*
- 12.01%
CSMCX vs. IWO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CSMCX Congress Small Cap Growth Fund | 18.84% | 8.37% | 18.65% | 20.27% | -26.21% | 39.30% | 39.11% | 36.12% | 2.51% | 22.58% |
IWO iShares Russell 2000 Growth ETF | 20.20% | 12.90% | 15.04% | 18.51% | -26.27% | 2.54% | 34.68% | 28.48% | -9.43% | 22.25% |
Correlation
The correlation between CSMCX and IWO is 0.88, 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 | 0.88 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.90 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.92 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2000 | 0.91 |
The correlation between CSMCX and IWO has been stable across timeframes, ranging from 0.88 to 0.92 - a consistent structural relationship.
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Return for Risk
CSMCX vs. IWO — Risk / Return Rank
CSMCX
IWO
CSMCX vs. IWO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Congress Small Cap Growth Fund (CSMCX) and iShares Russell 2000 Growth ETF (IWO). 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.
| CSMCX | IWO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.38 | ||
| Sortino ratioReturn per unit of downside risk | -0.32 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.29 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 2.25 | 2.68 | -0.43 |
| Martin ratioReturn relative to average drawdown | 7.26 | 9.57 | -2.30 |
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Drawdowns
CSMCX vs. IWO - Drawdown Comparison
The maximum CSMCX drawdown since its inception was -56.20%, smaller than the maximum IWO drawdown of -60.11%. Use the drawdown chart below to compare losses from any high point for CSMCX and IWO.
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Drawdown Indicators
| CSMCX | IWO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.20% | -60.11% | +3.91% |
Max Drawdown (1Y)Largest decline over 1 year | -13.63% | -14.87% | +1.24% |
Max Drawdown (3Y)Largest decline over 3 years | -26.10% | -28.57% | +2.47% |
Max Drawdown (5Y)Largest decline over 5 years | -33.44% | -40.51% | +7.07% |
Max Drawdown (10Y)Largest decline over 10 years | -33.44% | -42.02% | +8.58% |
Current DrawdownCurrent decline from peak | -0.34% | -1.57% | +1.23% |
Average DrawdownAverage peak-to-trough decline | -9.38% | -16.68% | +7.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.22% | 4.16% | +0.06% |
Volatility
CSMCX vs. IWO - Volatility Comparison
The current volatility for Congress Small Cap Growth Fund (CSMCX) is 6.23%, while iShares Russell 2000 Growth ETF (IWO) has a volatility of 7.84%. This indicates that CSMCX experiences smaller price fluctuations and is considered to be less risky than IWO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CSMCX | IWO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.23% | 7.84% | -1.61% |
Volatility (6M)Calculated over the trailing 6-month period | 16.23% | 16.69% | -0.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.67% | 22.20% | -0.53% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.68% | 24.65% | -1.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.49% | 24.18% | -1.69% |
CSMCX vs. IWO - Expense Ratio Comparison
CSMCX has a 1.00% expense ratio, which is higher than IWO's 0.24% expense ratio.
Dividends
CSMCX vs. IWO - Dividend Comparison
CSMCX's dividend yield for the trailing twelve months is around 1.97%, more than IWO's 0.42% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSMCX Congress Small Cap Growth Fund | 1.97% | 2.34% | 0.00% | 0.00% | 0.00% | 15.57% | 7.05% | 16.14% | 10.04% | 11.48% | 0.00% | 27.40% |
IWO iShares Russell 2000 Growth ETF | 0.42% | 0.56% | 0.80% | 0.73% | 0.73% | 0.32% | 0.44% | 0.71% | 0.76% | 0.73% | 0.97% | 0.89% |
Frequently Asked Questions
CSMCX and IWO have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWO has higher volatility (7.84%) compared to CSMCX (6.23%). In terms of maximum drawdown, CSMCX dropped -56.20% vs IWO's -60.11%.
IWO currently has the higher Sharpe Ratio (1.80 vs 1.42), 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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