FCEL vs. NBIS

Last updated Jun 5, 2026

FCEL (FuelCell Energy, Inc.) and NBIS (Nebius Group N.V.) are both stocks. FCEL operates in Electrical Equipment & Parts (Industrials), while NBIS operates in Internet Content & Information (Communication Services). Over the past year, FCEL returned 279.43% vs 559.23% for NBIS. At a 0.31 correlation, their price movements are largely independent.

Performance

FCEL vs. NBIS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FuelCell Energy, Inc. (FCEL) and Nebius Group N.V. (NBIS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FCEL achieves a 192.75% return, which is significantly lower than NBIS's 210.22% return.

FCEL

• 1D: -1.88%
• 1M: 57.93%
• YTD: 192.75%
• 6M: 165.51%
• 1Y: 279.43%
• 3Y*: -30.88%
• 5Y*: -41.01%
• 10Y*: -39.20%

NBIS

• 1D: 3.17%
• 1M: 47.61%
• YTD: 210.22%
• 6M: 152.60%
• 1Y: 559.23%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FCEL vs. NBIS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
FCEL FuelCell Energy, Inc.	192.75%	-19.14%	-9.37%
NBIS Nebius Group N.V.	210.22%	202.18%	46.25%

Correlation

The correlation between FCEL and NBIS is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.39
Correlation (All Time) Calculated using the full available price history since Oct 21, 2024	0.31

Fundamentals

Market Cap FCEL : $1.03B NBIS : $80.23B
EPS FCEL : -$5.05 NBIS : $3.17
PS Ratio FCEL : 4.57 NBIS : 77.92
PB Ratio FCEL : 1.62 NBIS : 11.08
Total Revenue (TTM) FCEL : $169.70M NBIS : $877.90M
Gross Profit (TTM) FCEL : -$27.06M NBIS : $420.60M
EBITDA (TTM) FCEL : -$146.91M NBIS : -$52.78M

Return for Risk

FCEL vs. NBIS — Risk / Return Rank

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

FCEL

FCEL Risk / Return Rank: 89
FCEL Sharpe Ratio Rank: 91
FCEL Sortino Ratio Rank: 89
FCEL Omega Ratio Rank: 84
FCEL Calmar Ratio Rank: 93
FCEL Martin Ratio Rank: 86

NBIS

NBIS Risk / Return Rank: 97
NBIS Sharpe Ratio Rank: 99
NBIS Sortino Ratio Rank: 96
NBIS Omega Ratio Rank: 93
NBIS Calmar Ratio Rank: 98
NBIS Martin Ratio Rank: 97

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.

FCEL vs. NBIS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FuelCell Energy, Inc. (FCEL) and Nebius Group N.V. (NBIS). 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.

	FCEL	NBIS	Difference
Sharpe ratio: Return per unit of total volatility	2.33	5.37	-3.05
Sortino ratio: Return per unit of downside risk	3.17	4.54	-1.37
Omega ratio: Gain probability vs. loss probability	1.35	1.51	-0.16
Calmar ratio: Return relative to maximum drawdown	5.92	12.41	-6.49
Martin ratio: Return relative to average drawdown	9.40	28.52	-19.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FCEL vs. NBIS - Sharpe Ratio Comparison

The current FCEL Sharpe Ratio is 2.33, which is lower than the NBIS Sharpe Ratio of 5.37. The chart below compares the historical Sharpe Ratios of FCEL and NBIS, 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

	FCEL	NBIS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.33	5.37	-3.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.42	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.32	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.20	3.70	-3.89

Drawdowns

FCEL vs. NBIS - Drawdown Comparison

The maximum FCEL drawdown since its inception was -100.00%, which is greater than NBIS's maximum drawdown of -58.27%. Use the drawdown chart below to compare losses from any high point for FCEL and NBIS.

Drawdown Indicators

	FCEL	NBIS	Difference
Max Drawdown Largest peak-to-trough decline	-100.00%	-58.27%	-41.73%
Max Drawdown (1Y) Largest decline over 1 year	-47.52%	-45.47%	-2.05%
Max Drawdown (3Y) Largest decline over 3 years	-95.54%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-98.98%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-99.86%	—	—
Current Drawdown Current decline from peak	-99.99%	-1.83%	-98.16%
Average Drawdown Average peak-to-trough decline	-83.84%	-19.03%	-64.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.90%	19.74%	+10.16%

Volatility

FCEL vs. NBIS - Volatility Comparison

FuelCell Energy, Inc. (FCEL) has a higher volatility of 51.20% compared to Nebius Group N.V. (NBIS) at 31.78%. This indicates that FCEL's price experiences larger fluctuations and is considered to be riskier than NBIS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FCEL	NBIS	Difference
Volatility (1M) Calculated over the trailing 1-month period	51.20%	31.78%	+19.42%
Volatility (6M) Calculated over the trailing 6-month period	87.85%	70.09%	+17.76%
Volatility (1Y) Calculated over the trailing 1-year period	121.05%	105.11%	+15.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	97.26%	110.44%	-13.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	122.65%	110.44%	+12.21%

Dividends

FCEL vs. NBIS - Dividend Comparison

Neither FCEL nor NBIS has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both FCEL and NBIS in my portfolio?

FCEL and NBIS have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FCEL or NBIS?

FCEL has higher volatility (51.20%) compared to NBIS (31.78%). In terms of maximum drawdown, FCEL dropped -100.00% vs NBIS's -58.27%.

Which has better risk-adjusted returns?

NBIS currently has the higher Sharpe Ratio (5.37 vs 2.33), 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.