FCEL vs FSLR Stock Comparison

FSLR currently leads FCEL in this stock comparison, with AIQ scores of 52 vs 30. The clearest difference is quality.

Market data as of Oct 31, 2026 market close· AIQ score gap 22 points
FCEL
Industrials
vs
FSLR
Energy
FCEL
FuelCell Energy, Inc.
Price
$11.22
Day move
-7.88%
AIQ Score
30/100
Best edge
Balanced
Sector
Industrials
FSLR
First Solar, Inc.
Leads
Price
$174
Day move
-1.41%
AIQ Score
52/100
Best edge
Quality
Sector
Energy

What is the main difference between FCEL and FSLR?

FSLR leads the current stock comparison as First Solar, Inc., with the clearest separation coming from quality and the broader AIQ evidence mix.

AlgovestIQ AIQ Comparison

FuelCell Energy, Inc. vs First Solar, Inc.

Data as of Oct 31, 2026· market close· Cross-sector · Industrials vs Energy · both in Clean Energy / Renewables· Coverage 66/66 fields· High confidence
AIQ VerdictCompetitiveAIQ Comparison Conviction 9/10

FSLR leads

FSLR leads by 22 AIQ points, primarily on Quality and Momentum, and the lead has widened from 11 points over 30 sessions. Wall Street currently favors FCEL on target upside.

Competitive: 5 of 6 evidence groups support FSLR, its lead is widening, and its current signal state is conflicted.

Evidence agreement: 5 of 6Comparison trend: Strengthening
FCEL

FuelCell Energy, Inc.

AIQ Score
30/100
AIQ Edge Score
1/10
FSLR

First Solar, Inc.

Leads
AIQ Score
52/100
AIQ Edge Score
5/10

The Algovestiq AIQ Score currently favors FSLR over FCEL, 52 versus 30 as of Oct 31, 2026. FSLR's advantage is driven primarily by stronger quality and momentum. FSLR also shows the stronger technical structure relative to its 50-day moving average, though analyst target upside currently favors FCEL. 5 of 6 covered evidence groups favor FSLR today, and the comparison is rated Competitive on stability: the leader is throwing conflicting signals. FSLR lead: Strengthening — the AIQ differential moved from 11 to 22 points over 30 sessions. FSLR leads on all four AIQ factor dimensions. Value is itself one of those four, so a sweep is not explained by valuation alone — it deserves additional scrutiny for unmodeled catalysts, expectations or event risk.

Compare FuelCell Energy, Inc. and First Solar, Inc. across the Algovestiq AIQ Score, valuation, quality, momentum, risk, technicals and analyst expectations.

Currently unavailable

Performance over time

Price return from daily closes; distributions are not included.

FCEL
-95.7%
FSLR
+45.5%

Price return comparison

Growth of $10,000, price only

FCEL $433 · FSLR $14,553

Split-adjusted closes only. Distributions are excluded, which understates the return of any fund or stock that pays them.

Compare FCEL and FSLR against another ticker

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AIQ Factor Divergence

Where the two separate, on the four dimensions behind the AIQ Score. Bars read outward from a shared zero: further from the centre is a wider gap.

FCEL advantage
0
FSLR advantage
  • Quality27 vs 68
    FSLR +41
  • Momentum24 vs 42
    FSLR +18
  • Risk Resilience37 vs 54
    FSLR +17
  • Value34 vs 45
    FSLR +11

5 of 6 evidence groups favor FSLR. FSLR’s edge is concentrated in quality and momentum.

What changed since the last close

Latest scored session 2026-10-28, compared against the prior scored session 2026-10-27.

FCEL0 AIQ

No factor moved materially.

No signal started or stopped since the prior session; its 4 active signals are unchanged.

FSLR0 AIQ

Largest factor move: Momentum +2, not enough on its own to move the overall score.

No signal started or stopped since the prior session; its 5 active signals are unchanged.

FSLR's lead was unchanged in the latest session.

Deeper signal detail for each name lives on its own signals page — FCEL and FSLR both carry a full feed there.

The central trade-off

FSLR (First Solar, Inc.): the stronger current systematic profile, led by quality and momentum.

FCEL (FuelCell Energy, Inc.): the counter-case, on analyst expectations — but at materially higher volatility, 116.2% against 34.2%.

The AIQ Score and Wall Street therefore point in different directions on this pair.

Which one fits your objective

The same two names rank differently depending on what you are optimizing for. All six reads are shown at once — none of them is hidden behind a toggle.

Balanced

FSLR

FSLR on the overall AIQ Score, which weights Quality and Value most heavily.

Growth

FSLR

FSLR on combined revenue and EPS growth.

Value

FSLR

FSLR on the peer-relative Value factor, by 11 points.

Momentum

FSLR

FSLR on the Momentum factor, by 18 points.

Lower downside

FSLR

FSLR on Risk Resilience, by 17 points.

Analyst upside

FCEL

FCEL on implied upside to the consensus price target.

AIQ vs Wall Street

The model and the Street disagree here: AIQ favors FSLR, analyst targets favor FCEL. That disagreement is the most useful thing on this page.

MeasureFCELFSLRNote
Implied upside to target+89.8%+52.4%FCEL has more room
Target dispersion+103.3%+48.9%Lower is tighter analyst agreement
ConsensusHoldBuyContext, not a primary driver
Analysts covering717Higher coverage generally improves confidence

The two are measuring different things. The AIQ Score reads current fundamentals, valuation, trend and risk; analyst targets price forward expectations. A divergence of this kind is either a contrarian opportunity or a sign the model is missing something already priced in — it is worth resolving before acting on either.

Analyst targets are expectations, not predictions. Dispersion matters as much as the midpoint.

AIQ Agreement Matrix

5 of 6 covered evidence groups favor FSLR. A wide gap backed by one group is a weaker case than a narrow gap backed by five.

Evidence groupFavorsReading
AIQ ScoreFSLR30 vs 52
FundamentalsFSLRon balancerevenue growth 16.6% vs 1.1%; EPS growth -195.9% vs 21.7%; TTM ROE -31.7% vs 18%; gross margin -18.2% vs 44%; operating margin -93.4% vs 33.6% — FSLR takes 4 of 5 decided legs, not all of them
ValuationFSLRValue 34 vs 45
TechnicalsFSLRPrice vs 50-day -30.9% vs -8.4%; vs 200-day -16.9% vs -18.6%
Risk ResilienceFSLRRisk Resilience 37 vs 54
Analyst expectationsFCELTarget upside 89.8% vs 52.4%

✓ agrees with the overall verdict · ✕ points the other way. Groups marked “not covered” lack data on one or both of FCEL and FSLR and are excluded from the count.

AIQ Decision Stability

Competitive

The two are close enough that your objective, not the score, should decide.

  • The AIQ gap is wide at 22 points. (supports the conclusion holding)
  • 5 of 6 covered evidence groups point the same way. (supports the conclusion holding)
  • The leader's advantage has been widening. (supports the conclusion holding)
  • The leader is throwing conflicting signals. (argues the conclusion is provisional)
  • Signal direction runs against the verdict: the leader is net-bearish while the laggard is net-bullish. (argues the conclusion is provisional)

Stability combines the score gap, how broadly the evidence agrees, how steady the lead has been across daily snapshots, the current signal state on both names, and analyst dispersion on FSLR.

How the comparison changed

120 daily snapshots · Jun 29 – Oct 28

FSLR lead: Strengthening — the AIQ differential moved from 11 to 22 points over 30 sessions.

Jun 29FCEL leads above the line · FSLR leads belowOct 28
Today
FSLR +22
30 vs 52
7 sessions ago
FSLR +22
30 vs 52
30 sessions ago
FSLR +11
37 vs 48
90 sessions ago
FSLR +16
35 vs 51

The lead has not changed hands in this window.

AIQ Signal Divergence

Only the signals that bear on the head-to-head. A conflicted name is carrying bullish and bearish rules at the same time — the technical evidence is not pointing one way.

FCELConflicted

2 bullish / 1 bearish / 1 neutral, conflicted

Only FCEL

  • Golden Cross Active — bullish, trend, long horizon (8.97%)
  • RSI Oversold - Potential Bounce — bullish, momentum, short horizon
  • MACD Bearish Crossover — bearish, momentum, short horizon
FSLRConflicted

1 bullish / 3 bearish / 1 neutral, conflicted

Only FSLR

  • Death Cross Active — bearish, trend, long horizon (13.73%)
  • 52-Week Low Proximity — bearish, risk, long horizon (2.7%)
  • Downtrend Structure Active — bearish, trend, long horizon
  • MACD Bullish Crossover — bullish, momentum, short horizon

Both carry 1 more signal that do not separate them: ATR Expansion - Breakout Mode.

FSLR leads the comparison while carrying a conflicted signal state, which is one reason the stability rating is not higher.

Price vs model alignment

Whether the latest session's price move confirms what the model did over the same session, or contradicts it.

FCELNo material change

Neither the price nor the AIQ Score moved enough in the latest session to confirm or contradict the other (price -7.88%, AIQ 0 points).

FSLRNo material change

Neither the price nor the AIQ Score moved enough in the latest session to confirm or contradict the other (price -1.41%, AIQ 0 points).

What would flip this result

A state, not a forecast. These are the specific, observable changes that would reverse the verdict — not a price prediction.

  1. 1FCEL closes the Quality gap — currently 41 points behind, the largest single contributor to FSLR's edge.
  2. 2FCEL's ATR Expansion - Breakout Mode turns directional — it is neutral today and would confirm a change in trend.
  3. 3FSLR's conflicting signal state resolves bearish — it currently carries 1 bullish and 3 bearish rules at once.
  4. 4A regime shift changes factor weighting — Quality and Value carry the heaviest weights in the composite, so a rotation toward either would move the result most.

The full evidence

Every number behind the verdict. The leader is called above each group so you are not left to solve it from the table.

Fundamentals

FSLR leads on balance
MetricFCELFSLR
Revenue growth (YoY)16.6%1.1%
EPS growth (YoY)-195.9%21.7%
Gross margin-18.2%44%
Operating margin-93.4%33.6%
Return on equity (TTM)-31.7%18%
Debt to equity0.220.02

Performance

FSLR leads 4 of 6 windows
MetricFCELFSLR
1 week (5 sessions)-6.2%0.8%
1 month (20 sessions)-24.6%0.7%
3 months (63 sessions)-47.6%-14.4%
6 months (126 sessions)-9.2%-7.5%
Year to date69.4%-32.5%
1 year (252 sessions)55.7%-27%

Technicals

FSLR has the stronger structure
MetricFCELFSLR
RSI (14)2747.1
ADX (14)16.722.6
Price vs 50-day-30.9%-8.4%
Price vs 200-day-16.9%-18.6%
Volatility (1M, annualized)116.2%34.2%

Risk

FSLR is the more resilient
MetricFCELFSLR
Beta3.841.87
Sharpe ratio0.97-0.37
Sortino ratio2.07-0.54
Max drawdown-69.2%-47.2%
Current drawdown-65.6%-44.6%
Annualized volatility135.6%54.1%
Value at risk (95%)-10.9%-5%

Straight answers

Each answer is regenerated from the current snapshot, not written once and left to age.

Which is better, FCEL or FSLR?

On the Algovestiq AIQ Score, FSLR is the stronger of the two as of Oct 31, 2026, scoring 52 against FCEL's 30. The edge comes from quality and momentum. This is a systematic score, not a recommendation: it ranks the two on the same evidence, it does not know your holding period or tax position.

Is FCEL or FSLR the better buy right now?

FSLR carries the stronger systematic profile as of Oct 31, 2026, and the comparison is rated Competitive — 5 of 6 covered evidence groups agree. A Competitive rating means the two are close enough that your objective, not the score, should decide.

Why does the AIQ Score favor FSLR over FCEL?

The composite weights Quality, Value, Momentum and Risk Resilience. FSLR leads Quality by 41 points; FSLR leads Momentum by 18 points; FSLR leads Risk Resilience by 17 points. FSLR leads on all four AIQ factor dimensions. Value is itself one of those four, so the sweep is not explained by FCEL simply being cheaper — it warrants extra scrutiny for unmodeled catalysts, forward expectations or event risk the factors do not capture.

Which has more analyst upside, FCEL or FSLR?

Analyst price targets imply +89.8% upside for FCEL and +52.4% for FSLR, so the Street currently favors FCEL. That points the opposite way to the AIQ Score, which favors FSLR. The two are measuring different things: the model reads current fundamentals, valuation, trend and risk; the Street is pricing forward expectations. A divergence of this kind is either a contrarian opportunity or a sign the model is missing something the analysts have already priced — it is the single most useful row on this page to investigate. Analyst targets are expectations, not predictions, and dispersion matters as much as the midpoint.

Which is better value, FCEL or FSLR?

FSLR is the better-valued of the two on the peer-relative Value factor. FSLR on the peer-relative Value factor, by 11 points. The Value factor reads valuation relative to sector peers and to the company's own fundamental quality, so it is not the same as simply having the lower multiple.

Which has stronger growth, FCEL or FSLR?

FSLR on combined revenue and EPS growth. Growth here is measured on reported revenue and earnings, not on forward estimates — it describes what the businesses have delivered, not what the Street expects next.

Which has stronger momentum, FCEL or FSLR?

FSLR on the Momentum factor, by 18 points. Momentum is one of the four weighted factors in the AIQ composite. It has documented persistence over three- to twelve-month horizons, which makes it a timing input rather than a reason to hold something indefinitely.

Which is riskier, FCEL or FSLR?

FSLR is the more resilient of the two, so the other name carries the higher downside risk. FSLR on Risk Resilience, by 17 points. Risk Resilience is a weighted factor in the composite; position sizing usually responds to it more usefully than the buy/avoid decision does.

Is FCEL more profitable than FSLR?

FSLR leads on the comparable margin measures — gross margin -18.2% vs 44%; operating margin -93.4% vs 33.6%; ttm roe -31.7% vs 18%.

Is FSLR's lead over FCEL getting stronger or weaker?

FSLR lead: Strengthening — the AIQ differential moved from 11 to 22 points over 30 sessions. This is measured from 120 daily comparison snapshots between 2026-06-29 and 2026-10-28. The lead has not changed hands in that window.

What would change the FCEL vs FSLR verdict?

The result is a state, not a forecast, so it changes when the underlying evidence changes. Concretely: FCEL closes the Quality gap — currently 41 points behind, the largest single contributor to FSLR's edge; FCEL's ATR Expansion - Breakout Mode turns directional — it is neutral today and would confirm a change in trend; FSLR's conflicting signal state resolves bearish — it currently carries 1 bullish and 3 bearish rules at once; a regime shift changes factor weighting — Quality and Value carry the heaviest weights in the composite, so a rotation toward either would move the result most.

What do the current signals say about FCEL and FSLR?

FCEL: 2 bullish / 1 bearish / 1 neutral, conflicted. FSLR: 1 bullish / 3 bearish / 1 neutral, conflicted. A conflicted state means bullish and bearish rules are active on the same name at once — the technical evidence is not pointing one way, and a decision taken on it carries more timing risk. The most decision-relevant rule on FCEL is Golden Cross Active (bullish, long horizon). On FSLR it is Death Cross Active (bearish, long horizon).

Compare FCEL and FSLR with others

Continue your research

This page answers which of the two. These answer the questions on either side of it.

How this comparison is scored

The Algovestiq AIQ Score composites four factors — Quality, Value, Momentum and Risk, each carrying a fixed weight. Sentiment is reported separately as SentimentPulse and is not folded into the composite. Scores refresh every trading day, and this page regenerates from the latest snapshot rather than being written once.

The verdict names a leader, states how broadly six independent evidence groups agree, and rates how durable that conclusion is given the score gap, its recent trajectory and the current signal state on both names.

How to use side-by-side comparison →

This comparison is informational and educational, not investment advice. AIQ scores update daily; re-check after earnings, guidance or macro data that materially changes either name’s factor profile.