ECOR vs. GHM

Last updated Jun 4, 2026

ECOR (electroCore, Inc.) and GHM (Graham Corporation) are both stocks. ECOR operates in Medical Devices (Healthcare), while GHM operates in Specialty Industrial Machinery (Industrials). Over the past 5 years, ECOR returned -17.21%/yr vs 48.61%/yr for GHM. At a 0.13 correlation, their price movements are largely independent.

Performance

ECOR vs. GHM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in electroCore, Inc. (ECOR) and Graham Corporation (GHM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ECOR achieves a 119.84% return, which is significantly higher than GHM's 61.72% return.

ECOR

• 1D: 4.34%
• 1M: 47.60%
• YTD: 119.84%
• 6M: 97.20%
• 1Y: 90.35%
• 3Y*: 27.21%
• 5Y*: -17.21%
• 10Y*: —

GHM

• 1D: -2.11%
• 1M: 10.88%
• YTD: 61.72%
• 6M: 81.27%
• 1Y: 153.96%
• 3Y*: 109.11%
• 5Y*: 48.61%
• 10Y*: 20.45%

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

ECOR vs. GHM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
ECOR electroCore, Inc.	119.84%	-72.33%	172.35%	54.54%	-55.92%	-62.66%	-1.89%	-74.60%	-68.46%
GHM Graham Corporation	61.72%	44.43%	134.42%	97.19%	-22.67%	-15.50%	-28.39%	-2.28%	-16.04%

Correlation

The correlation between ECOR and GHM is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.13
Correlation (All Time) Calculated using the full available price history since Jun 25, 2018	0.13

Over the past year, ECOR and GHM have become more correlated (0.33) than their long-term average of 0.13, meaning their price movements have been converging.

Fundamentals

Market Cap ECOR : $88.28M GHM : $1.16B
EPS ECOR : -$1.82 GHM : $1.34
PS Ratio ECOR : 2.38 GHM : 4.86
Total Revenue (TTM) ECOR : $34.90M GHM : $237.56M
Gross Profit (TTM) ECOR : $30.45M GHM : $58.50M
EBITDA (TTM) ECOR : -$13.17M GHM : $19.22M

Return for Risk

ECOR vs. GHM — Risk / Return Rank

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

ECOR

ECOR Risk / Return Rank: 71
ECOR Sharpe Ratio Rank: 72
ECOR Sortino Ratio Rank: 73
ECOR Omega Ratio Rank: 71
ECOR Calmar Ratio Rank: 74
ECOR Martin Ratio Rank: 67

GHM

GHM Risk / Return Rank: 93
GHM Sharpe Ratio Rank: 94
GHM Sortino Ratio Rank: 89
GHM Omega Ratio Rank: 89
GHM Calmar Ratio Rank: 96
GHM Martin Ratio Rank: 95

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.

ECOR vs. GHM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for electroCore, Inc. (ECOR) and Graham Corporation (GHM). 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.

	ECOR	GHM	Difference
Sharpe ratio Return per unit of total volatility	1.01	3.06	-2.05
Sortino ratio Return per unit of downside risk	1.90	3.17	-1.27
Omega ratio Gain probability vs. loss probability	1.23	1.42	-0.18
Calmar ratio Return relative to maximum drawdown	1.98	8.51	-6.53
Martin ratio Return relative to average drawdown	3.25	20.90	-17.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ECOR vs. GHM - Sharpe Ratio Comparison

The current ECOR Sharpe Ratio is 1.01, which is lower than the GHM Sharpe Ratio of 3.06. The chart below compares the historical Sharpe Ratios of ECOR and GHM, 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

	ECOR	GHM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.01	3.06	-2.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.19	1.00	-1.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.46	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.27	0.25	-0.52

Drawdowns

ECOR vs. GHM - Drawdown Comparison

The maximum ECOR drawdown since its inception was -98.95%, which is greater than GHM's maximum drawdown of -86.11%. Use the drawdown chart below to compare losses from any high point for ECOR and GHM.

Drawdown Indicators

	ECOR	GHM	Difference
Max Drawdown Largest peak-to-trough decline	-98.95%	-86.11%	-12.84%
Max Drawdown (1Y) Largest decline over 1 year	-45.99%	-18.21%	-27.78%
Max Drawdown (3Y) Largest decline over 3 years	-77.75%	-46.46%	-31.29%
Max Drawdown (5Y) Largest decline over 5 years	-88.36%	-54.28%	-34.08%
Max Drawdown (10Y) Largest decline over 10 years	—	-74.83%	—
Current Drawdown Current decline from peak	-96.69%	-2.11%	-94.58%
Average Drawdown Average peak-to-trough decline	-90.63%	-47.41%	-43.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	27.91%	7.40%	+20.51%

Volatility

ECOR vs. GHM - Volatility Comparison

electroCore, Inc. (ECOR) has a higher volatility of 36.44% compared to Graham Corporation (GHM) at 12.92%. This indicates that ECOR's price experiences larger fluctuations and is considered to be riskier than GHM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ECOR	GHM	Difference
Volatility (1M) Calculated over the trailing 1-month period	36.44%	12.92%	+23.52%
Volatility (6M) Calculated over the trailing 6-month period	62.27%	36.59%	+25.68%
Volatility (1Y) Calculated over the trailing 1-year period	90.06%	50.73%	+39.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	88.89%	48.94%	+39.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	128.93%	44.98%	+83.95%

Dividends

ECOR vs. GHM - Dividend Comparison

Neither ECOR nor GHM has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ECOR electroCore, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
GHM Graham Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	3.54%	2.90%	1.92%	1.66%	1.72%	1.63%	1.90%

Financials

ECOR vs. GHM - Profitability Comparison

The chart below illustrates the profitability comparison between electroCore, Inc. and Graham Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ECOR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, electroCore, Inc. reported a gross profit of 8.36M and revenue of 9.58M. Therefore, the gross margin over that period was 87.3%.

GHM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Graham Corporation reported a gross profit of 13.47M and revenue of 56.70M. Therefore, the gross margin over that period was 23.8%.

ECOR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, electroCore, Inc. reported an operating income of -5.32M and revenue of 9.58M, resulting in an operating margin of -55.5%.

GHM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Graham Corporation reported an operating income of -219.00K and revenue of 56.70M, resulting in an operating margin of -0.4%.

ECOR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, electroCore, Inc. reported a net income of -5.27M and revenue of 9.58M, resulting in a net margin of -55.0%.

GHM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Graham Corporation reported a net income of 2.85M and revenue of 56.70M, resulting in a net margin of 5.0%.

Frequently Asked Questions

Can I hold both ECOR and GHM in my portfolio?

ECOR and GHM have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ECOR or GHM?

ECOR has higher volatility (36.44%) compared to GHM (12.92%). In terms of maximum drawdown, ECOR dropped -98.95% vs GHM's -86.11%.

Which has better risk-adjusted returns?

GHM currently has the higher Sharpe Ratio (3.06 vs 1.01), 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.