PSIX
Power Solutions International, Inc.
Industrial - Machinery
Market Cap$1.66B
5Y Perf.+1399.8%
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Stock Comparison
PSIX vs PESI
Revenue, margins, valuation, and 5-year total return — side by side.
PESI
Perma-Fix Environmental Services, Inc.
Waste Management
Market Cap$207M
5Y Perf.+99.8%
PSIX vs PESI — Key Financials
Market cap, revenue, margins, and valuation side-by-side.
| Company Snapshot | PSIX | PESI |
|---|---|---|
| Industry | Industrial - Machinery | Waste Management |
| Market Cap | $1.66B | $207M |
| Revenue (TTM) | $531M | $59M |
| Net Income (TTM) | $114M | $-18M |
| Gross Margin | 34.8% | 4.1% |
| Operating Margin | 20.7% | -26.3% |
| Forward P/E | 15.1x | — |
| Total Debt | $152M | $4M |
| Cash & Equiv. | $41M | $12M |
PSIX vs PESI — Long-Term Stock Performance
Price return indexed to 100 at period start. Dividends excluded.
PSIX
PESI
| Stock | May 20 | May 26 | Return |
|---|---|---|---|
| Power Solutions Int… (PSIX) | 100 | 1499.8 | +1399.8% |
| Perma-Fix Environme… (PESI) | 100 | 199.8 | +99.8% |
Price return only. Dividends and distributions are not included.
Quick Verdict: PSIX vs PESI
Each card shows where this stock fits in a portfolio — not just who wins on paper.
Bottom line: PSIX leads in 3 of 6 categories, making it the strongest pick for profitability and margin quality and recent price momentum and sentiment. Perma-Fix Environmental Services, Inc. is the stronger pick specifically for growth and revenue expansion and capital preservation and lower volatility. As sector peers, any of these can serve as alternatives in the same allocation.
PSIX
Power Solutions International, Inc.
The Long-Run Compounder
PSIX carries the broadest edge in this set and is the clearest fit for long-term compounding.
- 5.6% 10Y total return vs PESI's 178.6%
- 21.5% margin vs PESI's -30.1%
- +178.6% vs PESI's +26.2%
Best for: long-term compounding
PESI
Perma-Fix Environmental Services, Inc.
The Income Pick
PESI is the clearest fit if your priority is income & stability and growth exposure.
- Dividend streak 1 yrs, beta 1.85
- Rev growth 4.3%, EPS growth 43.6%, 3Y rev CAGR -4.4%
- Lower volatility, beta 1.85, Low D/E 8.6%, current ratio 1.61x
Best for: income & stability and growth exposure
See the full category breakdown
| Category | Winner | Why |
|---|---|---|
| Growth | PESI | 4.3% revenue growth vs PSIX's -100.0% |
| Quality / Margins | PSIX | 21.5% margin vs PESI's -30.1% |
| Stability / Safety | PESI | Beta 1.85 vs PSIX's 3.33, lower leverage |
| Dividends | Tie | Neither stock pays a meaningful dividend |
| Momentum (1Y) | PSIX | +178.6% vs PESI's +26.2% |
| Efficiency (ROA) | PSIX | 26.9% ROA vs PESI's -20.2%, ROIC 36.9% vs -21.7% |
PSIX vs PESI — Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
FY 2025
FY 2025
PSIX vs PESI — Financial Metrics
Side-by-side numbers across 2 stocks — who leads on profitability, valuation, growth, and risk.
BEST OVERALLPSIXLAGGINGPESI
PESIPerma-Fix Environment…
2leads
PSIXPower Solutions Inter…
3leads
6 Total Categories
CATEGORYLEADERvs PESIMETRICS WON
Income & Cash FlowRevenue, margins, and cash flow strength
PSIX5/6
Valuation MetricsMultiples, price ratios, and targets
PESI2/2
Profitability & EfficiencyROE, ROIC, leverage, and quality scores
PSIX5/8
Total Returns1Y, 3Y, 5Y total returns with dividends
PSIX6/6
Risk & VolatilityBeta, volatility, and downside exposure
PESI2/2
Analyst OutlookRatings, price targets, and dividends
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—
Income & Cash Flow (Last 12 Months)
PSIX leads this category, winning 5 of 6 comparable metrics.
Income & Cash Flow (Last 12 Months)
PSIX is the larger business by revenue, generating $531M annually — 9.0x PESI's $59M. PSIX is the more profitable business, keeping 21.5% of every revenue dollar as net income compared to PESI's -30.1%. On growth, PESI holds the edge at -20.1% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | PSIXPower Solutions I… | PESIPerma-Fix Environ… |
|---|---|---|
| RevenueTrailing 12 months | $531M | $59M |
| EBITDAEarnings before interest/tax | $115M | -$14M |
| Net IncomeAfter-tax profit | $114M | -$18M |
| Free Cash FlowCash after capex | $4M | -$14M |
| Gross MarginGross profit ÷ Revenue | +34.8% | +4.1% |
| Operating MarginEBIT ÷ Revenue | +20.7% | -26.3% |
| Net MarginNet income ÷ Revenue | +21.5% | -30.1% |
| FCF MarginFCF ÷ Revenue | +0.8% | -23.4% |
| Rev. Growth (YoY)Latest quarter vs prior year | -100.0% | -20.1% |
| EPS Growth (YoY)Latest quarter vs prior year | -30.7% | -110.5% |
PSIX leads this category, winning 5 of 6 comparable metrics.
Valuation Metrics
PESI leads this category, winning 2 of 2 comparable metrics.
Valuation Metrics
| Metric | PSIXPower Solutions I… | PESIPerma-Fix Environ… |
|---|---|---|
| Market CapShares × price | $1.7B | $207M |
| Enterprise ValueMkt cap + debt − cash | $1.8B | $200M |
| Trailing P/EPrice ÷ TTM EPS | 14.57x | -14.89x |
| Forward P/EPrice ÷ next-FY EPS est. | 15.11x | — |
| PEG RatioP/E ÷ EPS growth rate | — | — |
| EV / EBITDAEnterprise value multiple | 15.38x | — |
| Price / SalesMarket cap ÷ Revenue | — | 3.36x |
| Price / BookPrice ÷ Book value/share | 9.30x | 4.11x |
| Price / FCFMarket cap ÷ FCF | 117.31x | — |
PESI leads this category, winning 2 of 2 comparable metrics.
Profitability & Efficiency
PSIX leads this category, winning 5 of 8 comparable metrics.
Profitability & Efficiency
PSIX delivers a 81.3% return on equity — every $100 of shareholder capital generates $81 in annual profit, vs $-34 for PESI. PESI carries lower financial leverage with a 0.09x debt-to-equity ratio, signaling a more conservative balance sheet compared to PSIX's 0.85x.
| Metric | PSIXPower Solutions I… | PESIPerma-Fix Environ… |
|---|---|---|
| ROE (TTM)Return on equity | +81.3% | -34.5% |
| ROA (TTM)Return on assets | +26.9% | -20.2% |
| ROICReturn on invested capital | +36.9% | -21.7% |
| ROCEReturn on capital employed | +50.7% | -16.7% |
| Piotroski ScoreFundamental quality 0–9 | 5 | 5 |
| Debt / EquityFinancial leverage | 0.85x | 0.09x |
| Net DebtTotal debt minus cash | $111M | -$7M |
| Cash & Equiv.Liquid assets | $41M | $12M |
| Total DebtShort + long-term debt | $152M | $4M |
| Interest CoverageEBIT ÷ Interest expense | 13.09x | -42.14x |
PSIX leads this category, winning 5 of 8 comparable metrics.
Total Returns (Dividends Reinvested)
PSIX leads this category, winning 6 of 6 comparable metrics.
Total Returns (Dividends Reinvested)
A $10,000 investment in PSIX five years ago would be worth $118,016 today (with dividends reinvested), compared to $14,563 for PESI. Over the past 12 months, PSIX leads with a +178.6% total return vs PESI's +26.2%. The 3-year compound annual growth rate (CAGR) favors PSIX at 190.1% vs PESI's 6.8% — a key indicator of consistent wealth creation.
| Metric | PSIXPower Solutions I… | PESIPerma-Fix Environ… |
|---|---|---|
| YTD ReturnYear-to-date | +17.0% | -8.8% |
| 1-Year ReturnPast 12 months | +178.6% | +26.2% |
| 3-Year ReturnCumulative with dividends | +2340.3% | +21.7% |
| 5-Year ReturnCumulative with dividends | +1080.2% | +45.6% |
| 10-Year ReturnCumulative with dividends | +559.3% | +178.6% |
| CAGR (3Y)Annualised 3-year return | +190.1% | +6.8% |
PSIX leads this category, winning 6 of 6 comparable metrics.
Risk & Volatility
PESI leads this category, winning 2 of 2 comparable metrics.
Risk & Volatility
PESI is the less volatile stock with a 1.85 beta — it tends to amplify market swings less than PSIX's 3.33 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. PESI currently trades 67.7% from its 52-week high vs PSIX's 59.1% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | PSIXPower Solutions I… | PESIPerma-Fix Environ… |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 3.33x | 1.85x |
| 52-Week HighHighest price in past year | $121.78 | $16.50 |
| 52-Week LowLowest price in past year | $25.09 | $8.02 |
| % of 52W HighCurrent price vs 52-week peak | +59.1% | +67.7% |
| RSI (14)Momentum oscillator 0–100 | 52.6 | 41.5 |
| Avg Volume (50D)Average daily shares traded | 624K | 164K |
PESI leads this category, winning 2 of 2 comparable metrics.
Analyst Outlook
Insufficient data to determine a leader in this category.
Analyst Outlook
Wall Street rates PSIX as "Buy" and PESI as "Hold". Consensus price targets imply 61.1% upside for PESI (target: $18) vs 44.8% for PSIX (target: $104).
| Metric | PSIXPower Solutions I… | PESIPerma-Fix Environ… |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Hold |
| Price TargetConsensus 12-month target | $104.26 | $18.00 |
| # AnalystsCovering analysts | 6 | 1 |
| Dividend YieldAnnual dividend ÷ price | — | — |
| Dividend StreakConsecutive years of raises | — | 1 |
| Dividend / ShareAnnual DPS | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | 0.0% | 0.0% |
Insufficient data to determine a leader in this category.
Key Takeaway
PSIX leads in 3 of 6 categories (Income & Cash Flow, Profitability & Efficiency). PESI leads in 2 (Valuation Metrics, Risk & Volatility).
Best OverallPower Solutions Internation… (PSIX)Leads 3 of 6 categories
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PSIX vs PESI: Frequently Asked Questions
9 questions · data-driven answers · updated daily
01Is PSIX or PESI a better buy right now?
For growth investors, Perma-Fix Environmental Services, Inc.
(PESI) is the stronger pick with 4. 3% revenue growth year-over-year, versus -100. 0% for Power Solutions International, Inc. (PSIX). Power Solutions International, Inc. (PSIX) offers the better valuation at 14. 6x trailing P/E (15. 1x forward), making it the more compelling value choice. Analysts rate Power Solutions International, Inc. (PSIX) a "Buy" — based on 6 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which is the better long-term investment — PSIX or PESI?
Over the past 5 years, Power Solutions International, Inc.
(PSIX) delivered a total return of +1080%, compared to +45. 6% for Perma-Fix Environmental Services, Inc. (PESI). Over 10 years, the gap is even starker: PSIX returned +559. 3% versus PESI's +178. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — PSIX or PESI?
By beta (market sensitivity over 5 years), Perma-Fix Environmental Services, Inc.
(PESI) is the lower-risk stock at 1. 85β versus Power Solutions International, Inc. 's 3. 33β — meaning PSIX is approximately 80% more volatile than PESI relative to the S&P 500. On balance sheet safety, Perma-Fix Environmental Services, Inc. (PESI) carries a lower debt/equity ratio of 9% versus 85% for Power Solutions International, Inc. — giving it more financial flexibility in a downturn.
04Which is growing faster — PSIX or PESI?
By revenue growth (latest reported year), Perma-Fix Environmental Services, Inc.
(PESI) is pulling ahead at 4. 3% versus -100. 0% for Power Solutions International, Inc. (PSIX). On earnings-per-share growth, the picture is similar: Power Solutions International, Inc. grew EPS 64. 1% year-over-year, compared to 43. 6% for Perma-Fix Environmental Services, Inc.. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.
05Which has better profit margins — PSIX or PESI?
Power Solutions International, Inc.
(PSIX) is the more profitable company, earning 21. 5% net margin versus -22. 3% for Perma-Fix Environmental Services, Inc. — meaning it keeps 21. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PSIX leads at 20. 7% versus -19. 0% for PESI. At the gross margin level — before operating expenses — PSIX leads at 34. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
06Is PSIX or PESI more undervalued right now?
Analyst consensus price targets imply the most upside for PESI: 61.
1% to $18. 00.
07Which pays a better dividend — PSIX or PESI?
None of the stocks in this comparison currently pay a material dividend.
All are effectively zero-yield and should be held for capital appreciation rather than income.
08Is PSIX or PESI better for a retirement portfolio?
For long-horizon retirement investors, Power Solutions International, Inc.
(PSIX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+559. 3% 10Y return). Perma-Fix Environmental Services, Inc. (PESI) carries a higher beta of 1. 85 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (PSIX: +559. 3%, PESI: +178. 6%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
09What are the main differences between PSIX and PESI?
Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.
In terms of investment character: PSIX is a small-cap deep-value stock; PESI is a small-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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