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HK Equities · Finance research note

HKEX 1237 - China Environmental Technology and Bioenergy Holdings Ltd.

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Evidence and analysis

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2. Company Fundamentals

2.3 Management

Role Metric
Consensus Rating N/A

2.4 Return

Metric Value
Expected Return (Ann.)* -5.95%
Risk / Std Dev (Ann.)* 98.85%
1-Year Price Return* -39.29%

Latest Market Data (as of 2026-08-14, Hong Kong time):

Metric Value
Last Price HK$0.68
52-Week Range HK$0.48 – HK$1.45
Observation Count 245 trading days

The return and risk statistics use daily adjusted closes from the retrieved one-year price series and annualise daily moments using 252 trading days. The last price is the latest regular-market price reported for the stated date. Source: Yahoo Finance market data.

DuPont Model Analysis

The DuPont model decomposes return on equity (ROE) into three operating and capital-structure drivers:

ROE = Net Margin × Asset Turnover × Equity Multiplier

The comparison uses the latest two comparable annual periods available for the issuer, with reported statement amounts shown in HK$. Revenue and net income are income-statement flows; total assets and shareholders’ equity are year-end balance-sheet figures. This is a simplified year-end-balance DuPont comparison rather than an average-balance ROE calculation.

DuPont component Calculation FY2025 FY2024
Revenue Reported revenue HK$479.55M HK$409.62M
Net income Reported net income HK$44.70M HK$2.98M
Total assets Year-end reported balance HK$1.36B HK$1.21B
Shareholders’ equity Year-end reported balance HK$916.71M HK$874.86M
Net margin Net income ÷ revenue 9.32% 0.73%
Asset turnover Revenue ÷ total assets 0.3525x 0.3383x
Equity multiplier Total assets ÷ shareholders’ equity 1.4842x 1.3840x
ROE Net margin × asset turnover × equity multiplier 4.88% 0.34%

Source: Yahoo Finance annual statements. Values are based on the two latest comparable annual periods returned by the source; fiscal period labels use the statement period-end year.

2.5 FCFF DCF Valuation

FCFF DCF exception: WACC is outside the permitted 5.00%–30.00% model range. This post deliberately does not publish a mechanical enterprise value or implied per-share value on an unsuitable basis.

Available valuation input Value
Last market price HK$0.75
Market capitalisation HK$72.03M
Revenue HK$479.55M
EBIT HK$57.93M
Reported free cash flow HK$17.34M
FCF yield 24.07%
Net debt / EBITDA 0.78x

2.6 Investor-Style Research Screen

Educational screen Result
Buffett-inspired cash-quality checks not rated — FCFF DCF suitability or data-integrity condition not met
Lynch-inspired balance-and-growth checks not rated — FCFF DCF suitability or data-integrity condition not met

Data lineage: Yahoo Finance public market and reported-statement data; retrieval timestamp: 2026-08-18 16:50:25.598334 UTC; latest reported fiscal period: 2025-12-31 00:00:00. Financial institutions and REITs require sector-specific methods rather than a mechanical FCFF DCF. This is research and analysis only, not personalized financial advice.

2.7 Quantitative Factor Diagnostics

Model basis: Daily issuer USD excess returns are regressed in-sample using ordinary least squares on matching regional Fama–French factors. FF3 estimates market, size, and value loadings; FF5 adds profitability and investment. Coefficients are descriptive historical exposures, not predictions.

Estimation input Value
Regional factor set Asia Pacific ex Japan
Factor-return currency USD
Issuer-return basis USD adjusted total return
Estimation window 2025-08-20 to 2026-06-30
Aligned daily observations 210
Minimum observation requirement 120
Currency conversion for HK listings HKD adjusted close divided by daily USD/HKD close before simple daily return calculation

Fama–French Three-Factor and Five-Factor Results

Diagnostic FF3 FF5
Annualised alpha -18.82% -18.32%
Adjusted R² -0.00 -0.01
Annualised residual volatility 104.99% 104.56%
Factor loading (t-statistic) FF3 FF5
Market excess return (Mkt-RF) 0.81 (1.35) 1.01 (1.57)
Size (SMB) 0.12 (0.14) 0.52 (0.47)
Value (HML) 0.19 (0.23) -0.31 (-0.34)
Profitability (RMW) NM -1.08 (-0.92)
Investment (CMA) NM 1.14 (0.86)

Definitions: Mkt-RF is the market return less the risk-free rate; SMB is small minus big; HML is high minus low book-to-market; RMW is robust minus weak profitability; CMA is conservative minus aggressive investment. Factor returns are sourced from the Kenneth R. French Data Library; issuer adjusted-return history is sourced from Yahoo Finance. For Hong Kong listings, adjusted HKD prices are converted into USD with daily USD/HKD closes before return calculation to match the USD regional factor basis. This is an in-sample historical regression; coefficients and t-statistics do not establish causation or predict future returns. This is research and analysis only, not personalized financial advice.

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