AMS vs. MUSA

Last updated Apr 2, 2026

Compare and contrast key facts about American Shared Hospital Services (AMS) and Murphy USA Inc. (MUSA).

Performance

AMS vs. MUSA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Shared Hospital Services (AMS) and Murphy USA Inc. (MUSA). The values are adjusted to include any dividend payments, if applicable.

AMS vs. MUSA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AMS American Shared Hospital Services	-36.02%	-33.86%	34.07%	-18.79%	23.63%	6.76%	-9.02%	2.52%	-8.46%	-22.39%
MUSA Murphy USA Inc.	22.82%	-19.15%	41.27%	28.20%	41.02%	53.33%	12.06%	52.66%	-4.63%	30.73%

Fundamentals

Market Cap AMS : $9.02M MUSA : $9.32B
EPS AMS : -$0.23 MUSA : $24.32
PS Ratio AMS : 0.32 MUSA : 0.49
PB Ratio AMS : 0.00 MUSA : 14.95
Total Revenue (TTM) AMS : $28.08M MUSA : $19.38B
Gross Profit (TTM) AMS : $5.06M MUSA : $1.09B
EBITDA (TTM) AMS : $4.05B MUSA : $940.50M

Returns By Period

In the year-to-date period, AMS achieves a -36.02% return, which is significantly lower than MUSA's 22.82% return. Over the past 10 years, AMS has underperformed MUSA with an annualized return of -5.51%, while MUSA has yielded a comparatively higher 23.45% annualized return.

AMS

• 1D: -6.90%
• 1M: -35.71%
• YTD: -36.02%
• 6M: -45.56%
• 1Y: -52.63%
• 3Y*: -21.68%
• 5Y*: -12.75%
• 10Y*: -5.51%

MUSA

• 1D: 0.17%
• 1M: 22.76%
• YTD: 22.82%
• 6M: 25.82%
• 1Y: 4.74%
• 3Y*: 24.84%
• 5Y*: 28.42%
• 10Y*: 23.45%

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

Return for Risk

AMS vs. MUSA — Risk / Return Rank

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

AMS

AMS Risk / Return Rank: 3
AMS Sharpe Ratio Rank: 3
AMS Sortino Ratio Rank: 4
AMS Omega Ratio Rank: 4
AMS Calmar Ratio Rank: 6
AMS Martin Ratio Rank: 1

MUSA

MUSA Risk / Return Rank: 42
MUSA Sharpe Ratio Rank: 45
MUSA Sortino Ratio Rank: 38
MUSA Omega Ratio Rank: 39
MUSA Calmar Ratio Rank: 46
MUSA Martin Ratio Rank: 44

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.

AMS vs. MUSA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Shared Hospital Services (AMS) and Murphy USA Inc. (MUSA). 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.

	AMS	MUSA	Difference
Sharpe ratio Return per unit of total volatility	-1.08	0.13	-1.21
Sortino ratio Return per unit of downside risk	-1.68	0.40	-2.09
Omega ratio Gain probability vs. loss probability	0.77	1.06	-0.29
Calmar ratio Return relative to maximum drawdown	-0.93	0.19	-1.12
Martin ratio Return relative to average drawdown	-2.14	0.28	-2.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMS vs. MUSA - Sharpe Ratio Comparison

The current AMS Sharpe Ratio is -1.08, which is lower than the MUSA Sharpe Ratio of 0.13. The chart below compares the historical Sharpe Ratios of AMS and MUSA, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AMS	MUSA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.08	0.13	-1.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.23	0.98	-1.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.09	0.76	-0.85
Sharpe Ratio (All Time) Calculated using the full available price history	-0.04	0.76	-0.80

Correlation

The correlation between AMS and MUSA is 0.03, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

AMS vs. MUSA - Dividend Comparison

AMS has not paid dividends to shareholders, while MUSA's dividend yield for the trailing twelve months is around 0.46%.

	TTM	2025	2024	2023	2022	2021	2020
AMS American Shared Hospital Services	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MUSA Murphy USA Inc.	0.46%	0.53%	0.36%	0.43%	0.45%	0.52%	0.19%

Drawdowns

AMS vs. MUSA - Drawdown Comparison

The maximum AMS drawdown since its inception was -98.40%, which is greater than MUSA's maximum drawdown of -35.54%. Use the drawdown chart below to compare losses from any high point for AMS and MUSA.

Drawdown Indicators

	AMS	MUSA	Difference
Max Drawdown Largest peak-to-trough decline	-98.40%	-35.54%	-62.86%
Max Drawdown (1Y) Largest decline over 1 year	-55.59%	-31.25%	-24.34%
Max Drawdown (5Y) Largest decline over 5 years	-67.39%	-35.54%	-31.85%
Max Drawdown (10Y) Largest decline over 10 years	-73.26%	-35.54%	-37.72%
Current Drawdown Current decline from peak	-85.55%	-10.30%	-75.25%
Average Drawdown Average peak-to-trough decline	-67.37%	-10.02%	-57.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	24.01%	21.30%	+2.71%

Volatility

AMS vs. MUSA - Volatility Comparison

American Shared Hospital Services (AMS) has a higher volatility of 23.03% compared to Murphy USA Inc. (MUSA) at 8.94%. This indicates that AMS's price experiences larger fluctuations and is considered to be riskier than MUSA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMS	MUSA	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.03%	8.94%	+14.09%
Volatility (6M) Calculated over the trailing 6-month period	33.74%	25.71%	+8.03%
Volatility (1Y) Calculated over the trailing 1-year period	49.10%	36.58%	+12.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.46%	29.10%	+26.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	59.71%	30.89%	+28.82%

Financials

AMS vs. MUSA - Profitability Comparison

The chart below illustrates the profitability comparison between American Shared Hospital Services and Murphy USA Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AMS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, American Shared Hospital Services reported a gross profit of 906.00K and revenue of 7.73M. Therefore, the gross margin over that period was 11.7%.

MUSA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Murphy USA Inc. reported a gross profit of 0.00 and revenue of 4.74B. Therefore, the gross margin over that period was 0.0%.

AMS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, American Shared Hospital Services reported an operating income of -219.00K and revenue of 7.73M, resulting in an operating margin of -2.8%.

MUSA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Murphy USA Inc. reported an operating income of 209.50M and revenue of 4.74B, resulting in an operating margin of 4.4%.

AMS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, American Shared Hospital Services reported a net income of -631.00K and revenue of 7.73M, resulting in a net margin of -8.2%.

MUSA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Murphy USA Inc. reported a net income of 141.90M and revenue of 4.74B, resulting in a net margin of 3.0%.