TGEN vs. CHE

Last updated Jun 24, 2026

TGEN (Tecogen Inc) and CHE (Chemed Corporation) are both stocks. TGEN operates in Electrical Equipment & Parts (Industrials), while CHE operates in Medical Care Facilities (Healthcare). Over the past 10 years, TGEN returned 1.50%/yr vs 13.30%/yr for CHE. At a 0.00 correlation, their price movements are largely independent.

Performance

TGEN vs. CHE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tecogen Inc (TGEN) and Chemed Corporation (CHE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TGEN achieves a 15.79% return, which is significantly higher than CHE's 4.07% return. Over the past 10 years, TGEN has underperformed CHE with an annualized return of 1.50%, while CHE has yielded a comparatively higher 13.30% annualized return.

TGEN

• 1D: -5.45%
• 1M: -0.35%
• YTD: 15.79%
• 6M: 9.37%
• 1Y: -22.91%
• 3Y*: 78.54%
• 5Y*: 25.60%
• 10Y*: 1.50%

CHE

• 1D: 1.84%
• 1M: 1.22%
• YTD: 4.07%
• 6M: 2.92%
• 1Y: -19.05%
• 3Y*: -6.05%
• 5Y*: -1.29%
• 10Y*: 13.30%

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

TGEN vs. CHE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TGEN Tecogen Inc	15.79%	237.20%	80.86%	-35.20%	4.17%	-1.64%	-42.45%	-41.60%	34.44%	-35.71%
CHE Chemed Corporation	4.07%	-18.87%	-9.11%	14.90%	-3.22%	-0.38%	21.59%	55.58%	17.01%	52.32%

Correlation

The correlation between TGEN and CHE is 0.00, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.00
Correlation (3Y) Calculated over the trailing 3-year period	-0.02
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (10Y) Calculated over the trailing 10-year period	0.01
Correlation (All Time) Calculated using the full available price history since May 20, 2014	0.00

Fundamentals

Market Cap TGEN : $170.79M CHE : $6.07B
EPS TGEN : -$0.35 CHE : $18.29
PS Ratio TGEN : 6.09 CHE : 2.48
PB Ratio TGEN : 8.66 CHE : 7.16
Total Revenue (TTM) TGEN : $26.13M CHE : $2.54B
Gross Profit (TTM) TGEN : $9.19M CHE : $571.36M
EBITDA (TTM) TGEN : -$7.95M CHE : $396.47M

Return for Risk

TGEN vs. CHE — Risk / Return Rank

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

TGEN

TGEN Risk / Return Rank: 39
TGEN Sharpe Ratio Rank: 35
TGEN Sortino Ratio Rank: 47
TGEN Omega Ratio Rank: 45
TGEN Calmar Ratio Rank: 33
TGEN Martin Ratio Rank: 34

CHE

CHE Risk / Return Rank: 20
CHE Sharpe Ratio Rank: 17
CHE Sortino Ratio Rank: 19
CHE Omega Ratio Rank: 16
CHE Calmar Ratio Rank: 22
CHE Martin Ratio Rank: 26

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.

TGEN vs. CHE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tecogen Inc (TGEN) and Chemed Corporation (CHE). 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.

	TGEN	CHE	Difference
Sharpe ratio: Return per unit of total volatility	-0.19	-0.57	+0.39
Sortino ratio: Return per unit of downside risk	0.64	-0.57	+1.20
Omega ratio: Gain probability vs. loss probability	1.07	0.91	+0.16
Calmar ratio: Return relative to maximum drawdown	-0.28	-0.56	+0.29
Martin ratio: Return relative to average drawdown	-0.46	-0.85	+0.39

TGEN vs. CHE - Sharpe Ratio Comparison

The current TGEN Sharpe Ratio is -0.19, which is higher than the CHE Sharpe Ratio of -0.57. The chart below compares the historical Sharpe Ratios of TGEN and CHE, 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

TGEN vs. CHE - Drawdown Comparison

The maximum TGEN drawdown since its inception was -96.97%, which is greater than CHE's maximum drawdown of -83.78%. Use the drawdown chart below to compare losses from any high point for TGEN and CHE.

Drawdown Indicators

	TGEN	CHE	Difference
Max Drawdown Largest peak-to-trough decline	-96.97%	-83.78%	-13.19%
Max Drawdown (1Y) Largest decline over 1 year	-83.43%	-33.84%	-49.59%
Max Drawdown (3Y) Largest decline over 3 years	-83.43%	-42.88%	-40.55%
Max Drawdown (5Y) Largest decline over 5 years	-83.43%	-42.88%	-40.55%
Max Drawdown (10Y) Largest decline over 10 years	-87.67%	-42.88%	-44.79%
Current Drawdown Current decline from peak	-72.50%	-31.09%	-41.41%
Average Drawdown Average peak-to-trough decline	-85.68%	-16.46%	-69.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	49.55%	22.39%	+27.16%

Volatility

TGEN vs. CHE - Volatility Comparison

Tecogen Inc (TGEN) has a higher volatility of 29.64% compared to Chemed Corporation (CHE) at 7.60%. This indicates that TGEN's price experiences larger fluctuations and is considered to be riskier than CHE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TGEN	CHE	Difference
Volatility (1M) Calculated over the trailing 1-month period	29.64%	7.60%	+22.04%
Volatility (6M) Calculated over the trailing 6-month period	85.92%	24.46%	+61.46%
Volatility (1Y) Calculated over the trailing 1-year period	125.54%	33.29%	+92.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	101.75%	25.29%	+76.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	86.23%	25.90%	+60.33%

Dividends

TGEN vs. CHE - Dividend Comparison

TGEN has not paid dividends to shareholders, while CHE's dividend yield for the trailing twelve months is around 0.54%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CHE Chemed Corporation	0.54%	0.51%	0.34%	0.27%	0.29%	0.26%	0.25%	0.28%	0.41%	0.44%	0.62%	0.61%
TGEN Tecogen 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%

Financials

TGEN vs. CHE - Profitability Comparison

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

TGEN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Tecogen Inc reported a gross profit of 2.59M and revenue of 6.34M. Therefore, the gross margin over that period was 40.9%.

CHE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Chemed Corporation reported a gross profit of 0.00 and revenue of 657.51M. Therefore, the gross margin over that period was 0.0%.

TGEN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Tecogen Inc reported an operating income of -2.14M and revenue of 6.34M, resulting in an operating margin of -33.7%.

CHE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Chemed Corporation reported an operating income of 84.58M and revenue of 657.51M, resulting in an operating margin of 12.9%.

TGEN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Tecogen Inc reported a net income of -2.12M and revenue of 6.34M, resulting in a net margin of -33.5%.

CHE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Chemed Corporation reported a net income of 66.30M and revenue of 657.51M, resulting in a net margin of 10.1%.

Frequently Asked Questions

Can I hold both TGEN and CHE in my portfolio?

TGEN and CHE have a correlation of 0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TGEN or CHE?

TGEN has higher volatility (29.64%) compared to CHE (7.60%). In terms of maximum drawdown, TGEN dropped -96.97% vs CHE's -83.78%.

Which has better risk-adjusted returns?

TGEN currently has the higher Sharpe Ratio (-0.19 vs -0.57), 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.