OBMCX vs. VSGAX
Compare and contrast key facts about Oberweis Micro Cap Fund (OBMCX) and Vanguard Small-Cap Growth Index Fund Admiral Shares (VSGAX).
OBMCX is managed by Oberweis. It was launched on Dec 29, 1995. VSGAX is managed by Vanguard. It was launched on Sep 27, 2011.
Performance
OBMCX vs. VSGAX - Performance Comparison
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OBMCX vs. VSGAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OBMCX Oberweis Micro Cap Fund | 13.51% | 14.70% | 22.82% | 18.87% | -10.57% | 53.20% | 29.91% | 21.94% | -12.04% | 27.90% |
VSGAX Vanguard Small-Cap Growth Index Fund Admiral Shares | 0.26% | 8.44% | 14.94% | 23.04% | -28.39% | 5.70% | 35.26% | 32.76% | -5.69% | 21.92% |
Returns By Period
In the year-to-date period, OBMCX achieves a 13.51% return, which is significantly higher than VSGAX's 0.26% return. Over the past 10 years, OBMCX has outperformed VSGAX with an annualized return of 19.20%, while VSGAX has yielded a comparatively lower 10.45% annualized return.
OBMCX
- 1D
- 4.17%
- 1M
- -4.11%
- YTD
- 13.51%
- 6M
- 11.94%
- 1Y
- 49.08%
- 3Y*
- 20.34%
- 5Y*
- 14.90%
- 10Y*
- 19.20%
VSGAX
- 1D
- 4.35%
- 1M
- -6.39%
- YTD
- 0.26%
- 6M
- 1.49%
- 1Y
- 20.18%
- 3Y*
- 12.43%
- 5Y*
- 2.16%
- 10Y*
- 10.45%
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OBMCX vs. VSGAX - Expense Ratio Comparison
OBMCX has a 1.48% expense ratio, which is higher than VSGAX's 0.07% expense ratio.
Return for Risk
OBMCX vs. VSGAX — Risk / Return Rank
OBMCX
VSGAX
OBMCX vs. VSGAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Oberweis Micro Cap Fund (OBMCX) and Vanguard Small-Cap Growth Index Fund Admiral Shares (VSGAX). 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.
| OBMCX | VSGAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.82 | 0.85 | +0.97 |
Sortino ratioReturn per unit of downside risk | 2.42 | 1.34 | +1.08 |
Omega ratioGain probability vs. loss probability | 1.33 | 1.18 | +0.15 |
Calmar ratioReturn relative to maximum drawdown | 3.82 | 1.39 | +2.44 |
Martin ratioReturn relative to average drawdown | 13.69 | 5.55 | +8.14 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| OBMCX | VSGAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.82 | 0.85 | +0.97 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.57 | 0.09 | +0.48 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.46 | +0.29 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 0.52 | -0.11 |
Correlation
The correlation between OBMCX and VSGAX is 0.90, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
OBMCX vs. VSGAX - Dividend Comparison
OBMCX's dividend yield for the trailing twelve months is around 1.24%, more than VSGAX's 0.52% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OBMCX Oberweis Micro Cap Fund | 1.24% | 1.41% | 2.53% | 0.00% | 1.37% | 24.35% | 0.00% | 0.00% | 19.67% | 11.76% | 0.05% | 3.07% |
VSGAX Vanguard Small-Cap Growth Index Fund Admiral Shares | 0.52% | 0.54% | 0.54% | 0.67% | 0.55% | 0.36% | 0.44% | 0.57% | 0.79% | 0.81% | 1.08% | 0.98% |
Drawdowns
OBMCX vs. VSGAX - Drawdown Comparison
The maximum OBMCX drawdown since its inception was -68.24%, which is greater than VSGAX's maximum drawdown of -38.70%. Use the drawdown chart below to compare losses from any high point for OBMCX and VSGAX.
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Drawdown Indicators
| OBMCX | VSGAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -68.24% | -38.70% | -29.54% |
Max Drawdown (1Y)Largest decline over 1 year | -12.68% | -14.50% | +1.82% |
Max Drawdown (5Y)Largest decline over 5 years | -28.11% | -38.36% | +10.25% |
Max Drawdown (10Y)Largest decline over 10 years | -50.04% | -38.70% | -11.34% |
Current DrawdownCurrent decline from peak | -5.04% | -7.52% | +2.48% |
Average DrawdownAverage peak-to-trough decline | -16.51% | -8.63% | -7.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.54% | 3.62% | -0.08% |
Volatility
OBMCX vs. VSGAX - Volatility Comparison
Oberweis Micro Cap Fund (OBMCX) has a higher volatility of 12.02% compared to Vanguard Small-Cap Growth Index Fund Admiral Shares (VSGAX) at 8.86%. This indicates that OBMCX's price experiences larger fluctuations and is considered to be riskier than VSGAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OBMCX | VSGAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.02% | 8.86% | +3.16% |
Volatility (6M)Calculated over the trailing 6-month period | 19.34% | 15.70% | +3.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.49% | 24.52% | +2.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.14% | 23.56% | +2.58% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.73% | 22.94% | +2.79% |