AMGOX vs. FMDGX
AMGOX (Alger Mid Cap Growth Portfolio Fund) and FMDGX (Fidelity Mid Cap Growth Index Fund) are both Mid Cap Growth Equities funds. Over the past 5 years, AMGOX returned 2.52%/yr vs 4.37%/yr for FMDGX. Their 0.95 correlation means they have historically moved very closely together. AMGOX charges 0.92%/yr vs 0.05%/yr for FMDGX.
Performance
AMGOX vs. FMDGX - Performance Comparison
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Returns By Period
In the year-to-date period, AMGOX achieves a 4.11% return, which is significantly higher than FMDGX's 0.31% return.
AMGOX
- 1D
- 0.20%
- 1M
- -4.39%
- 6M
- 4.91%
- YTD
- 4.11%
- 1Y
- 9.49%
- 3Y*
- 14.30%
- 5Y*
- 2.52%
- 10Y*
- 12.11%
- ALL TIME*
- 10.26%
FMDGX
- 1D
- -0.28%
- 1M
- -4.14%
- 6M
- 0.83%
- YTD
- 0.31%
- 1Y
- -1.05%
- 3Y*
- 12.08%
- 5Y*
- 4.37%
- 10Y*
- —
- ALL TIME*
- 9.95%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
AMGOX vs. FMDGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
AMGOX Alger Mid Cap Growth Portfolio Fund | 4.11% | 16.76% | 21.07% | 23.17% | -36.14% | 5.45% | 64.79% | -1.20% |
FMDGX Fidelity Mid Cap Growth Index Fund | 0.31% | 8.60% | 22.03% | 25.79% | -26.67% | 12.67% | 34.84% | 4.63% |
Correlation
The correlation between AMGOX and FMDGX 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. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.95 |
Correlation (All Time) Calculated using the full available price history since Jul 17, 2019 | 0.95 |
The correlation between AMGOX and FMDGX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.
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Return for Risk
AMGOX vs. FMDGX — Risk / Return Rank
AMGOX
FMDGX
AMGOX vs. FMDGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alger Mid Cap Growth Portfolio Fund (AMGOX) and Fidelity Mid Cap Growth Index Fund (FMDGX). 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.
| AMGOX | FMDGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.54 | ||
| Sortino ratioReturn per unit of downside risk | +0.78 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 0.99 | +0.09 |
| Calmar ratioReturn relative to maximum drawdown | 0.48 | -0.18 | +0.66 |
| Martin ratioReturn relative to average drawdown | 1.47 | -0.51 | +1.98 |
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Drawdowns
AMGOX vs. FMDGX - Drawdown Comparison
The maximum AMGOX drawdown since its inception was -68.10%, which is greater than FMDGX's maximum drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for AMGOX and FMDGX.
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Drawdown Indicators
| AMGOX | FMDGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -68.10% | -38.59% | -29.51% |
Max Drawdown (1Y)Largest decline over 1 year | -16.25% | -14.75% | -1.50% |
Max Drawdown (3Y)Largest decline over 3 years | -27.34% | -25.30% | -2.04% |
Max Drawdown (5Y)Largest decline over 5 years | -59.22% | -38.59% | -20.63% |
Max Drawdown (10Y)Largest decline over 10 years | -59.22% | — | — |
Current DrawdownCurrent decline from peak | -22.89% | -6.46% | -16.43% |
Average DrawdownAverage peak-to-trough decline | -17.73% | -11.02% | -6.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.28% | 5.30% | -0.02% |
Volatility
AMGOX vs. FMDGX - Volatility Comparison
Alger Mid Cap Growth Portfolio Fund (AMGOX) and Fidelity Mid Cap Growth Index Fund (FMDGX) have volatilities of 5.28% and 5.09%, 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
| AMGOX | FMDGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.28% | 5.09% | +0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 16.06% | 13.99% | +2.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.32% | 17.60% | +2.72% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 39.50% | 22.53% | +16.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.17% | 24.22% | +7.95% |
AMGOX vs. FMDGX - Expense Ratio Comparison
AMGOX has a 0.92% expense ratio, which is higher than FMDGX's 0.05% expense ratio.
Dividends
AMGOX vs. FMDGX - Dividend Comparison
AMGOX has not paid dividends to shareholders, while FMDGX's dividend yield for the trailing twelve months is around 1.85%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
AMGOX Alger Mid Cap Growth Portfolio Fund | 0.00% | 0.00% | 0.00% | 0.00% | 3.72% | 55.13% | 12.13% | 12.09% | 18.59% |
FMDGX Fidelity Mid Cap Growth Index Fund | 1.85% | 1.85% | 0.47% | 0.63% | 0.81% | 6.43% | 0.36% | 0.29% | 0.00% |
Frequently Asked Questions
With a correlation of 0.93, AMGOX and FMDGX 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.
AMGOX has higher volatility (5.28%) compared to FMDGX (5.09%). In terms of maximum drawdown, AMGOX dropped -68.10% vs FMDGX's -38.59%.
AMGOX currently has the higher Sharpe Ratio (0.38 vs -0.15), 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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