MAGRX vs. ASFYX

Last updated Jun 4, 2026

MAGRX (BlackRock Natural Resources Trust Fund) and ASFYX (AlphaSimplex Managed Futures Strategy Fund Class Y) are both mutual funds - MAGRX is a Energy Equities fund managed by BlackRock, while ASFYX is a Systematic Trend fund managed by BlackRock. Over the past 10 years, MAGRX returned 10.06%/yr vs 2.97%/yr for ASFYX. At a 0.17 correlation, their price movements are largely independent. MAGRX charges 0.87%/yr vs 1.47%/yr for ASFYX.

Performance

MAGRX vs. ASFYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Natural Resources Trust Fund (MAGRX) and AlphaSimplex Managed Futures Strategy Fund Class Y (ASFYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MAGRX achieves a 18.31% return, which is significantly higher than ASFYX's 15.25% return. Over the past 10 years, MAGRX has outperformed ASFYX with an annualized return of 10.06%, while ASFYX has yielded a comparatively lower 2.97% annualized return.

MAGRX

• 1D: 1.52%
• 1M: 1.37%
• YTD: 18.31%
• 6M: 22.80%
• 1Y: 42.68%
• 3Y*: 15.28%
• 5Y*: 11.47%
• 10Y*: 10.06%

ASFYX

• 1D: 0.56%
• 1M: 1.71%
• YTD: 15.25%
• 6M: 17.77%
• 1Y: 26.49%
• 3Y*: -1.44%
• 5Y*: 3.02%
• 10Y*: 2.97%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MAGRX vs. ASFYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MAGRX BlackRock Natural Resources Trust Fund	18.31%	30.26%	-5.65%	-1.36%	17.20%	30.76%	3.20%	15.34%	-17.95%	8.20%
ASFYX AlphaSimplex Managed Futures Strategy Fund Class Y	15.25%	-9.67%	-3.22%	-10.33%	35.67%	3.52%	13.59%	8.99%	-12.59%	6.78%

Correlation

The correlation between MAGRX and ASFYX is 0.60, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.26
Correlation (10Y) Calculated over the trailing 10-year period	0.23
Correlation (All Time) Calculated using the full available price history since Aug 4, 2010	0.17

Over the past year, MAGRX and ASFYX have become more correlated (0.60) than their long-term average of 0.17, meaning their price movements have been converging.

Return for Risk

MAGRX vs. ASFYX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MAGRX

MAGRX Risk / Return Rank: 75
MAGRX Sharpe Ratio Rank: 78
MAGRX Sortino Ratio Rank: 60
MAGRX Omega Ratio Rank: 63
MAGRX Calmar Ratio Rank: 90
MAGRX Martin Ratio Rank: 83

ASFYX

ASFYX Risk / Return Rank: 67
ASFYX Sharpe Ratio Rank: 56
ASFYX Sortino Ratio Rank: 48
ASFYX Omega Ratio Rank: 51
ASFYX Calmar Ratio Rank: 92
ASFYX Martin Ratio Rank: 89

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MAGRX vs. ASFYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Natural Resources Trust Fund (MAGRX) and AlphaSimplex Managed Futures Strategy Fund Class Y (ASFYX). 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.

	MAGRX	ASFYX	Difference
Sharpe ratio: Return per unit of total volatility	2.57	2.20	+0.37
Sortino ratio: Return per unit of downside risk	3.26	2.93	+0.33
Omega ratio: Gain probability vs. loss probability	1.44	1.39	+0.05
Calmar ratio: Return relative to maximum drawdown	4.61	4.95	-0.34
Martin ratio: Return relative to average drawdown	15.79	17.88	-2.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MAGRX vs. ASFYX - Sharpe Ratio Comparison

The current MAGRX Sharpe Ratio is 2.57, which is comparable to the ASFYX Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of MAGRX and ASFYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MAGRX	ASFYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.57	2.20	+0.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.55	0.22	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.23	+0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.35	-0.01

Drawdowns

MAGRX vs. ASFYX - Drawdown Comparison

The maximum MAGRX drawdown since its inception was -65.68%, which is greater than ASFYX's maximum drawdown of -36.43%. Use the drawdown chart below to compare losses from any high point for MAGRX and ASFYX.

Drawdown Indicators

	MAGRX	ASFYX	Difference
Max Drawdown Largest peak-to-trough decline	-65.68%	-36.43%	-29.25%
Max Drawdown (1Y) Largest decline over 1 year	-9.27%	-5.24%	-4.03%
Max Drawdown (3Y) Largest decline over 3 years	-19.46%	-30.32%	+10.86%
Max Drawdown (5Y) Largest decline over 5 years	-26.30%	-36.43%	+10.13%
Max Drawdown (10Y) Largest decline over 10 years	-50.11%	-36.43%	-13.68%
Current Drawdown Current decline from peak	-3.04%	-18.22%	+15.18%
Average Drawdown Average peak-to-trough decline	-15.93%	-13.18%	-2.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.70%	1.45%	+1.25%

Volatility

MAGRX vs. ASFYX - Volatility Comparison

BlackRock Natural Resources Trust Fund (MAGRX) has a higher volatility of 4.78% compared to AlphaSimplex Managed Futures Strategy Fund Class Y (ASFYX) at 3.67%. This indicates that MAGRX's price experiences larger fluctuations and is considered to be riskier than ASFYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MAGRX	ASFYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.78%	3.67%	+1.11%
Volatility (6M) Calculated over the trailing 6-month period	13.17%	9.54%	+3.63%
Volatility (1Y) Calculated over the trailing 1-year period	16.71%	11.77%	+4.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.00%	13.77%	+7.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.53%	12.71%	+9.82%

MAGRX vs. ASFYX - Expense Ratio Comparison

MAGRX has a 0.87% expense ratio, which is lower than ASFYX's 1.47% expense ratio.

Dividends

MAGRX vs. ASFYX - Dividend Comparison

MAGRX's dividend yield for the trailing twelve months is around 7.13%, more than ASFYX's 1.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ASFYX AlphaSimplex Managed Futures Strategy Fund Class Y	1.32%	1.52%	1.46%	0.99%	32.48%	6.07%	3.40%	5.51%	1.30%	0.07%	0.01%	5.06%
MAGRX BlackRock Natural Resources Trust Fund	7.13%	8.44%	3.32%	4.16%	10.86%	3.90%	2.07%	2.97%	20.12%	49.72%	0.87%	8.29%

Frequently Asked Questions

Can I hold both MAGRX and ASFYX in my portfolio?

MAGRX and ASFYX have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MAGRX or ASFYX?

MAGRX has higher volatility (4.78%) compared to ASFYX (3.67%). In terms of maximum drawdown, MAGRX dropped -65.68% vs ASFYX's -36.43%.

Which has better risk-adjusted returns?

MAGRX currently has the higher Sharpe Ratio (2.57 vs 2.20), 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.