ZKIN
ZK International Group Co., Ltd.
Steel
Market Cap$8M
5Y Perf.-80.8%
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Stock Comparison
ZKIN 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%
ZKIN vs PESI — Key Financials
Market cap, revenue, margins, and valuation side-by-side.
| Company Snapshot | ZKIN | PESI |
|---|---|---|
| Industry | Steel | Waste Management |
| Market Cap | $8M | $207M |
| Revenue (TTM) | $179M | $59M |
| Net Income (TTM) | $-7M | $-18M |
| Gross Margin | 5.9% | 4.1% |
| Operating Margin | -2.3% | -26.3% |
| Total Debt | $24M | $4M |
| Cash & Equiv. | $4M | $12M |
ZKIN vs PESI — Long-Term Stock Performance
Price return indexed to 100 at period start. Dividends excluded.
ZKIN
PESI
| Stock | May 20 | May 26 | Return |
|---|---|---|---|
| ZK International Gr… (ZKIN) | 100 | 19.2 | -80.8% |
| Perma-Fix Environme… (PESI) | 100 | 199.8 | +99.8% |
Price return only. Dividends and distributions are not included.
Quick Verdict: ZKIN vs PESI
Each card shows where this stock fits in a portfolio — not just who wins on paper.
Bottom line: ZKIN 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. This set spans 2 sectors — these stocks serve different portfolio roles, not just different price points.
ZKIN
ZK International Group Co., Ltd.
The Quality Compounder
ZKIN carries the broadest edge in this set and is the clearest fit for quality and momentum.
- -3.8% margin vs PESI's -30.1%
- +28.3% vs PESI's +26.2%
- -9.3% ROA vs PESI's -20.2%, ROIC -4.4% vs -21.7%
Best for: quality and momentum
PESI
Perma-Fix Environmental Services, Inc.
The Growth Play
PESI is the clearest fit if your priority is growth exposure and long-term compounding.
- Rev growth 4.3%, EPS growth 43.6%, 3Y rev CAGR -4.4%
- 178.6% 10Y total return vs ZKIN's -97.5%
- Lower volatility, beta 1.85, Low D/E 8.6%, current ratio 1.61x
Best for: growth exposure and long-term compounding
See the full category breakdown
| Category | Winner | Why |
|---|---|---|
| Growth | PESI | 4.3% revenue growth vs ZKIN's -34.2% |
| Quality / Margins | ZKIN | -3.8% margin vs PESI's -30.1% |
| Stability / Safety | PESI | Lower D/E ratio (8.6% vs 95.8%) |
| Dividends | Tie | Neither stock pays a meaningful dividend |
| Momentum (1Y) | ZKIN | +28.3% vs PESI's +26.2% |
| Efficiency (ROA) | ZKIN | -9.3% ROA vs PESI's -20.2%, ROIC -4.4% vs -21.7% |
ZKIN vs PESI — Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
Segment breakdown not available.
FY 2025
ZKIN vs PESI — Financial Metrics
Side-by-side numbers across 2 stocks — who leads on profitability, valuation, growth, and risk.
BEST OVERALLZKINLAGGINGPESI
PESIPerma-Fix Environment…
1leads
ZKINZK International Grou…
3leads
6 Total Categories
CATEGORYLEADERvs PESIMETRICS WON
Income & Cash FlowRevenue, margins, and cash flow strength
ZKIN5/6
Valuation MetricsMultiples, price ratios, and targets
ZKIN2/3
Profitability & EfficiencyROE, ROIC, leverage, and quality scores
ZKIN5/9
Total Returns1Y, 3Y, 5Y total returns with dividends
PESI4/6
Risk & VolatilityBeta, volatility, and downside exposure
Tied
—
Analyst OutlookRatings, price targets, and dividends
—
—
Income & Cash Flow (Last 12 Months)
ZKIN leads this category, winning 5 of 6 comparable metrics.
Income & Cash Flow (Last 12 Months)
ZKIN is the larger business by revenue, generating $179M annually — 3.0x PESI's $59M. ZKIN is the more profitable business, keeping -3.8% 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 | ZKINZK International … | PESIPerma-Fix Environ… |
|---|---|---|
| RevenueTrailing 12 months | $179M | $59M |
| EBITDAEarnings before interest/tax | -$2M | -$14M |
| Net IncomeAfter-tax profit | -$7M | -$18M |
| Free Cash FlowCash after capex | $191,770 | -$14M |
| Gross MarginGross profit ÷ Revenue | +5.9% | +4.1% |
| Operating MarginEBIT ÷ Revenue | -2.3% | -26.3% |
| Net MarginNet income ÷ Revenue | -3.8% | -30.1% |
| FCF MarginFCF ÷ Revenue | +0.1% | -23.4% |
| Rev. Growth (YoY)Latest quarter vs prior year | -43.5% | -20.1% |
| EPS Growth (YoY)Latest quarter vs prior year | -19.7% | -110.5% |
ZKIN leads this category, winning 5 of 6 comparable metrics.
Valuation Metrics
ZKIN leads this category, winning 2 of 3 comparable metrics.
Valuation Metrics
| Metric | ZKINZK International … | PESIPerma-Fix Environ… |
|---|---|---|
| Market CapShares × price | $8M | $207M |
| Enterprise ValueMkt cap + debt − cash | $28M | $200M |
| Trailing P/EPrice ÷ TTM EPS | -2.07x | -14.89x |
| Forward P/EPrice ÷ next-FY EPS est. | — | — |
| PEG RatioP/E ÷ EPS growth rate | — | — |
| EV / EBITDAEnterprise value multiple | — | — |
| Price / SalesMarket cap ÷ Revenue | 0.12x | 3.36x |
| Price / BookPrice ÷ Book value/share | 0.33x | 4.11x |
| Price / FCFMarket cap ÷ FCF | 42.93x | — |
ZKIN leads this category, winning 2 of 3 comparable metrics.
Profitability & Efficiency
ZKIN leads this category, winning 5 of 9 comparable metrics.
Profitability & Efficiency
ZKIN delivers a -25.1% return on equity — every $100 of shareholder capital generates $-25 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 ZKIN's 0.96x. On the Piotroski fundamental quality scale (0–9), PESI scores 5/9 vs ZKIN's 3/9, reflecting solid financial health.
| Metric | ZKINZK International … | PESIPerma-Fix Environ… |
|---|---|---|
| ROE (TTM)Return on equity | -25.1% | -34.5% |
| ROA (TTM)Return on assets | -9.3% | -20.2% |
| ROICReturn on invested capital | -4.4% | -21.7% |
| ROCEReturn on capital employed | -8.2% | -16.7% |
| Piotroski ScoreFundamental quality 0–9 | 3 | 5 |
| Debt / EquityFinancial leverage | 0.96x | 0.09x |
| Net DebtTotal debt minus cash | $20M | -$7M |
| Cash & Equiv.Liquid assets | $4M | $12M |
| Total DebtShort + long-term debt | $24M | $4M |
| Interest CoverageEBIT ÷ Interest expense | -2.31x | -42.14x |
ZKIN leads this category, winning 5 of 9 comparable metrics.
Total Returns (Dividends Reinvested)
PESI leads this category, winning 4 of 6 comparable metrics.
Total Returns (Dividends Reinvested)
A $10,000 investment in PESI five years ago would be worth $14,563 today (with dividends reinvested), compared to $380 for ZKIN. Over the past 12 months, ZKIN leads with a +28.3% total return vs PESI's +26.2%. The 3-year compound annual growth rate (CAGR) favors PESI at 6.8% vs ZKIN's -34.0% — a key indicator of consistent wealth creation.
| Metric | ZKINZK International … | PESIPerma-Fix Environ… |
|---|---|---|
| YTD ReturnYear-to-date | -5.8% | -8.8% |
| 1-Year ReturnPast 12 months | +28.3% | +26.2% |
| 3-Year ReturnCumulative with dividends | -71.3% | +21.7% |
| 5-Year ReturnCumulative with dividends | -96.2% | +45.6% |
| 10-Year ReturnCumulative with dividends | -97.5% | +178.6% |
| CAGR (3Y)Annualised 3-year return | -34.0% | +6.8% |
PESI leads this category, winning 4 of 6 comparable metrics.
Risk & Volatility
Evenly matched — ZKIN and PESI each lead in 1 of 2 comparable metrics.
Risk & Volatility
ZKIN is the less volatile stock with a -0.53 beta — it tends to amplify market swings less than PESI's 1.85 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 ZKIN's 32.4% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | ZKINZK International … | PESIPerma-Fix Environ… |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | -0.53x | 1.85x |
| 52-Week HighHighest price in past year | $4.47 | $16.50 |
| 52-Week LowLowest price in past year | $1.03 | $8.02 |
| % of 52W HighCurrent price vs 52-week peak | +32.4% | +67.7% |
| RSI (14)Momentum oscillator 0–100 | 45.7 | 41.5 |
| Avg Volume (50D)Average daily shares traded | 12K | 164K |
Evenly matched — ZKIN and PESI each lead in 1 of 2 comparable metrics.
Analyst Outlook
Insufficient data to determine a leader in this category.
Analyst Outlook
| Metric | ZKINZK International … | PESIPerma-Fix Environ… |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | — | Hold |
| Price TargetConsensus 12-month target | — | $18.00 |
| # AnalystsCovering analysts | — | 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
ZKIN leads in 3 of 6 categories (Income & Cash Flow, Valuation Metrics). PESI leads in 1 (Total Returns). 1 tied.
Best OverallZK International Group Co.,… (ZKIN)Leads 3 of 6 categories
Loading custom metrics...
ZKIN vs PESI: Frequently Asked Questions
8 questions · data-driven answers · updated daily
01Is ZKIN 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 -34. 2% for ZK International Group Co. , Ltd. (ZKIN). Analysts rate Perma-Fix Environmental Services, Inc. (PESI) a "Hold" — based on 1 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 — ZKIN or PESI?
Over the past 5 years, Perma-Fix Environmental Services, Inc.
(PESI) delivered a total return of +45. 6%, compared to -96. 2% for ZK International Group Co. , Ltd. (ZKIN). Over 10 years, the gap is even starker: PESI returned +178. 6% versus ZKIN's -97. 5%. 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 — ZKIN or PESI?
By beta (market sensitivity over 5 years), ZK International Group Co.
, Ltd. (ZKIN) is the lower-risk stock at -0. 53β versus Perma-Fix Environmental Services, Inc. 's 1. 85β — meaning PESI is approximately -446% more volatile than ZKIN 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 96% for ZK International Group Co. , Ltd. — giving it more financial flexibility in a downturn.
04Which is growing faster — ZKIN or PESI?
By revenue growth (latest reported year), Perma-Fix Environmental Services, Inc.
(PESI) is pulling ahead at 4. 3% versus -34. 2% for ZK International Group Co. , Ltd. (ZKIN). On earnings-per-share growth, the picture is similar: Perma-Fix Environmental Services, Inc. grew EPS 43. 6% year-over-year, compared to -23. 5% for ZK International Group Co. , Ltd.. Over a 3-year CAGR, PESI leads at -4. 4% annualised revenue growth. 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 — ZKIN or PESI?
ZK International Group Co.
, Ltd. (ZKIN) is the more profitable company, earning -5. 6% net margin versus -22. 3% for Perma-Fix Environmental Services, Inc. — meaning it keeps -5. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ZKIN leads at -3. 5% versus -19. 0% for PESI. At the gross margin level — before operating expenses — PESI leads at 9. 6%, 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.
06Which pays a better dividend — ZKIN 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.
07Is ZKIN or PESI better for a retirement portfolio?
For long-horizon retirement investors, ZK International Group Co.
, Ltd. (ZKIN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0. 53)). 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 (ZKIN: -97. 5%, 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.
08What are the main differences between ZKIN and PESI?
These companies operate in different sectors (ZKIN (Basic Materials) and PESI (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.
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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