AMANX vs. VSMPX

Last updated Jun 4, 2026

AMANX (Amana Mutual Funds Trust Income Fund) and VSMPX (Vanguard Total Stock Market Index Fund Institutional Plus Shares) are both Large Cap Blend Equities funds. Over the past 10 years, AMANX returned 12.21%/yr vs 15.14%/yr for VSMPX. Their correlation of 0.86 suggests significant overlap in exposure. AMANX charges 1.01%/yr vs 0.02%/yr for VSMPX.

Performance

AMANX vs. VSMPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amana Mutual Funds Trust Income Fund (AMANX) and Vanguard Total Stock Market Index Fund Institutional Plus Shares (VSMPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with AMANX having a 11.71% return and VSMPX slightly higher at 11.99%. Over the past 10 years, AMANX has underperformed VSMPX with an annualized return of 12.21%, while VSMPX has yielded a comparatively higher 15.14% annualized return.

AMANX

• 1D: 1.10%
• 1M: 6.58%
• YTD: 11.71%
• 6M: 11.17%
• 1Y: 23.76%
• 3Y*: 16.26%
• 5Y*: 11.22%
• 10Y*: 12.21%

VSMPX

• 1D: 0.24%
• 1M: 5.76%
• YTD: 11.99%
• 6M: 11.88%
• 1Y: 29.12%
• 3Y*: 22.37%
• 5Y*: 13.06%
• 10Y*: 15.14%

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

AMANX vs. VSMPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AMANX Amana Mutual Funds Trust Income Fund	11.71%	16.41%	12.85%	13.60%	-8.86%	22.53%	13.98%	25.31%	-5.17%	21.67%
VSMPX Vanguard Total Stock Market Index Fund Institutional Plus Shares	11.99%	17.15%	23.26%	26.53%	-19.50%	25.74%	21.01%	30.79%	-5.16%	21.19%

Correlation

The correlation between AMANX and VSMPX is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.86

The correlation between AMANX and VSMPX has been stable across timeframes, ranging from 0.79 to 0.86 - a consistent structural relationship.

Return for Risk

AMANX vs. VSMPX — Risk / Return Rank

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

AMANX

AMANX Risk / Return Rank: 43
AMANX Sharpe Ratio Rank: 46
AMANX Sortino Ratio Rank: 47
AMANX Omega Ratio Rank: 45
AMANX Calmar Ratio Rank: 35
AMANX Martin Ratio Rank: 41

VSMPX

VSMPX Risk / Return Rank: 71
VSMPX Sharpe Ratio Rank: 72
VSMPX Sortino Ratio Rank: 65
VSMPX Omega Ratio Rank: 63
VSMPX Calmar Ratio Rank: 75
VSMPX Martin Ratio Rank: 83

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.

AMANX vs. VSMPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amana Mutual Funds Trust Income Fund (AMANX) and Vanguard Total Stock Market Index Fund Institutional Plus Shares (VSMPX). 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.

	AMANX	VSMPX	Difference
Sharpe ratio: Return per unit of total volatility	2.00	2.47	-0.47
Sortino ratio: Return per unit of downside risk	2.88	3.37	-0.49
Omega ratio: Gain probability vs. loss probability	1.36	1.44	-0.08
Calmar ratio: Return relative to maximum drawdown	2.24	3.38	-1.13
Martin ratio: Return relative to average drawdown	8.83	15.59	-6.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMANX vs. VSMPX - Sharpe Ratio Comparison

The current AMANX Sharpe Ratio is 2.00, which is comparable to the VSMPX Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of AMANX and VSMPX, 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

	AMANX	VSMPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.00	2.47	-0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.81	0.76	+0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	0.83	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	0.83	-0.20

Drawdowns

AMANX vs. VSMPX - Drawdown Comparison

The maximum AMANX drawdown since its inception was -37.82%, which is greater than VSMPX's maximum drawdown of -34.97%. Use the drawdown chart below to compare losses from any high point for AMANX and VSMPX.

Drawdown Indicators

	AMANX	VSMPX	Difference
Max Drawdown Largest peak-to-trough decline	-37.82%	-34.97%	-2.85%
Max Drawdown (1Y) Largest decline over 1 year	-11.03%	-8.92%	-2.11%
Max Drawdown (3Y) Largest decline over 3 years	-15.42%	-19.36%	+3.94%
Max Drawdown (5Y) Largest decline over 5 years	-19.19%	-25.35%	+6.16%
Max Drawdown (10Y) Largest decline over 10 years	-31.48%	-34.97%	+3.49%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-6.00%	-4.59%	-1.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.80%	1.93%	+0.87%

Volatility

AMANX vs. VSMPX - Volatility Comparison

Amana Mutual Funds Trust Income Fund (AMANX) has a higher volatility of 3.39% compared to Vanguard Total Stock Market Index Fund Institutional Plus Shares (VSMPX) at 2.95%. This indicates that AMANX's price experiences larger fluctuations and is considered to be riskier than VSMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMANX	VSMPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.39%	2.95%	+0.44%
Volatility (6M) Calculated over the trailing 6-month period	9.94%	9.19%	+0.75%
Volatility (1Y) Calculated over the trailing 1-year period	12.39%	12.19%	+0.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.92%	17.36%	-3.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.94%	18.41%	-2.47%

AMANX vs. VSMPX - Expense Ratio Comparison

AMANX has a 1.01% expense ratio, which is higher than VSMPX's 0.02% expense ratio.

Dividends

AMANX vs. VSMPX - Dividend Comparison

AMANX's dividend yield for the trailing twelve months is around 4.84%, more than VSMPX's 1.02% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMANX Amana Mutual Funds Trust Income Fund	4.84%	5.39%	5.69%	5.24%	8.14%	4.66%	6.53%	7.81%	6.55%	5.75%	4.15%	6.88%
VSMPX Vanguard Total Stock Market Index Fund Institutional Plus Shares	1.02%	1.13%	1.27%	1.43%	1.67%	1.22%	1.43%	1.78%	2.05%	1.73%	1.95%	0.00%

Frequently Asked Questions

Can I hold both AMANX and VSMPX in my portfolio?

AMANX and VSMPX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AMANX or VSMPX?

AMANX has higher volatility (3.39%) compared to VSMPX (2.95%). In terms of maximum drawdown, AMANX dropped -37.82% vs VSMPX's -34.97%.

Which has better risk-adjusted returns?

VSMPX currently has the higher Sharpe Ratio (2.47 vs 2.00), 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.