AMAGX vs. SPSK

Last updated Jun 24, 2026

AMAGX (Amana Growth Fund Investor Shares) and SPSK (SP Funds Dow Jones Global Sukuk ETF) are both funds - AMAGX is a Large Cap Growth Equities fund actively managed by Amana, while SPSK is a Global Bonds fund tracking the Dow Jones Sukuk Total Return (No Coupon Reinvestment). AMAGX is actively managed, while SPSK is passively managed. Over the past 5 years, AMAGX returned 13.38%/yr vs 0.89%/yr for SPSK. At a 0.22 correlation, their price movements are largely independent. AMAGX charges 0.86%/yr vs 0.50%/yr for SPSK.

Performance

AMAGX vs. SPSK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amana Growth Fund Investor Shares (AMAGX) and SP Funds Dow Jones Global Sukuk ETF (SPSK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AMAGX achieves a 15.11% return, which is significantly higher than SPSK's 0.14% return.

AMAGX

• 1D: 0.26%
• 1M: 1.44%
• YTD: 15.11%
• 6M: 14.45%
• 1Y: 33.72%
• 3Y*: 20.30%
• 5Y*: 13.38%
• 10Y*: 17.87%

SPSK

• 1D: 0.11%
• 1M: 0.48%
• YTD: 0.14%
• 6M: 0.23%
• 1Y: 3.45%
• 3Y*: 4.06%
• 5Y*: 0.89%
• 10Y*: —

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

AMAGX vs. SPSK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
AMAGX Amana Growth Fund Investor Shares	15.11%	17.62%	15.73%	25.67%	-19.49%	31.51%	32.93%	-0.36%
SPSK SP Funds Dow Jones Global Sukuk ETF	0.14%	6.16%	2.95%	3.95%	-7.75%	-1.30%	3.67%	0.25%

Correlation

The correlation between AMAGX and SPSK is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.18
Correlation (All Time) Calculated using the full available price history since Dec 30, 2019	0.22

The correlation between AMAGX and SPSK shifts across timeframes, from 0.18 (5 years) to 0.29 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

AMAGX vs. SPSK — Risk / Return Rank

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

AMAGX

AMAGX Risk / Return Rank: 63
AMAGX Sharpe Ratio Rank: 58
AMAGX Sortino Ratio Rank: 53
AMAGX Omega Ratio Rank: 51
AMAGX Calmar Ratio Rank: 73
AMAGX Martin Ratio Rank: 78

SPSK

SPSK Risk / Return Rank: 26
SPSK Sharpe Ratio Rank: 26
SPSK Sortino Ratio Rank: 25
SPSK Omega Ratio Rank: 23
SPSK Calmar Ratio Rank: 26
SPSK Martin Ratio Rank: 29

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.

AMAGX vs. SPSK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amana Growth Fund Investor Shares (AMAGX) and SP Funds Dow Jones Global Sukuk ETF (SPSK). 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.

	AMAGX	SPSK	Difference
Sharpe ratio: Return per unit of total volatility	2.07	0.91	+1.16
Sortino ratio: Return per unit of downside risk	2.81	1.33	+1.48
Omega ratio: Gain probability vs. loss probability	1.36	1.16	+0.21
Calmar ratio: Return relative to maximum drawdown	3.16	1.22	+1.95
Martin ratio: Return relative to average drawdown	13.55	3.96	+9.59

AMAGX vs. SPSK - Sharpe Ratio Comparison

The current AMAGX Sharpe Ratio is 2.07, which is higher than the SPSK Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of AMAGX and SPSK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

AMAGX vs. SPSK - Drawdown Comparison

The maximum AMAGX drawdown since its inception was -57.64%, which is greater than SPSK's maximum drawdown of -12.83%. Use the drawdown chart below to compare losses from any high point for AMAGX and SPSK.

Drawdown Indicators

	AMAGX	SPSK	Difference
Max Drawdown Largest peak-to-trough decline	-57.64%	-12.83%	-44.81%
Max Drawdown (1Y) Largest decline over 1 year	-11.04%	-2.85%	-8.19%
Max Drawdown (3Y) Largest decline over 3 years	-21.45%	-3.17%	-18.28%
Max Drawdown (5Y) Largest decline over 5 years	-28.09%	-12.45%	-15.64%
Max Drawdown (10Y) Largest decline over 10 years	-28.09%	—	—
Current Drawdown Current decline from peak	-1.96%	-0.92%	-1.04%
Average Drawdown Average peak-to-trough decline	-10.26%	-3.80%	-6.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.57%	0.87%	+1.70%

Volatility

AMAGX vs. SPSK - Volatility Comparison

Amana Growth Fund Investor Shares (AMAGX) has a higher volatility of 6.15% compared to SP Funds Dow Jones Global Sukuk ETF (SPSK) at 0.91%. This indicates that AMAGX's price experiences larger fluctuations and is considered to be riskier than SPSK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMAGX	SPSK	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.15%	0.91%	+5.24%
Volatility (6M) Calculated over the trailing 6-month period	13.69%	2.50%	+11.19%
Volatility (1Y) Calculated over the trailing 1-year period	16.92%	3.84%	+13.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.55%	5.28%	+13.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.50%	5.45%	+13.05%

AMAGX vs. SPSK - Expense Ratio Comparison

AMAGX has a 0.86% expense ratio, which is higher than SPSK's 0.50% expense ratio.

Dividends

AMAGX vs. SPSK - Dividend Comparison

AMAGX has not paid dividends to shareholders, while SPSK's dividend yield for the trailing twelve months is around 4.23%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMAGX Amana Growth Fund Investor Shares	0.00%	0.00%	3.95%	0.65%	3.64%	0.52%	5.44%	3.15%	3.47%	10.90%	13.67%	7.45%
SPSK SP Funds Dow Jones Global Sukuk ETF	4.23%	3.63%	3.53%	2.95%	2.22%	2.56%	1.78%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both AMAGX and SPSK in my portfolio?

AMAGX and SPSK have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AMAGX or SPSK?

AMAGX has higher volatility (6.15%) compared to SPSK (0.91%). In terms of maximum drawdown, AMAGX dropped -57.64% vs SPSK's -12.83%.

Which has better risk-adjusted returns?

AMAGX currently has the higher Sharpe Ratio (2.07 vs 0.91), 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.