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QST

Công ty Cổ phần Sách và Thiết bị trường học Quảng Ninh

AUDIT RISK

Market Performance History

OHLCV Terminal Feed

Earnings Quality

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Piotroski F

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Altman Z (EM)

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Beneish M

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22.1%

ROE = T × I × OM × AT × L

0.81

1. Tax Burden

0.90

2. Interest Burden

7.9%

3. Operating Margin

1.62x

4. Asset Turnover

2.14x

5. Fin. Leverage

Ratio Category	2021	2022	2023	2024	2025
Return on Equity (ROE)	15.2%	20.8%	21.1%	20.9%	23.1%
Return on Capital (ROIC)	12.9%	16.2%	17.8%	15.9%	17.4%
Gross Margin	15.4%	16.0%	17.0%	16.6%	18.8%
Net Margin	4.2%	5.5%	5.2%	5.0%	6.4%
A.R Turnover Days	7d	7d	8d	11d	12d
Inventory Days	15d	19d	21d	18d	16d
Current Ratio	0.60	0.53	0.54	0.64	0.54
Debt to Equity	0.93	0.94	1.00	1.25	1.14
P/E Ratio	10.50	6.25	7.28	9.65	7.65
P/B Ratio	1.28	1.17	1.41	1.86	1.69
Dividend Yield	7.50%	11.25%	9.76%	6.99%	0.00%
Dividend Payout Ratio	78.8%	70.3%	71.0%	67.5%	0.0%

Priv-HL-LQ

Alpha (α)

-0.356%

R-Squared (R²)

84.3%

Mkt-Rf Beta

1.02

SMB (Size)0.613

HML (Value)0.352

RMW (Profit)0.133

CMA (Investment)0.124

Historical Strategy Audit

Year	EM Score	Piotroski F	Altman Z	ROA	Flag
2019	0.2462	6 / 9	-0.44	6.7%	—
2020	0.2420	5 / 9	0.32	6.8%	—
2021	-0.0069	5 / 9	0.75	7.2%	—
2022	0.1191	6 / 9	0.91	11.2%	—
2023	0.3429	6 / 9	0.89	11.2%	—
2024	0.0326	4 / 9	0.69	10.8%	—
2025	0.1342	6 / 9	0.75	10.7%	—