Net Profit Quality Assessment

完整 SKILL.md

以下为安装包中的 Skill 原文，保留结构以便审阅触发描述、执行步骤与检查项。

---
name: net-profit-quality-assessment
description: Evaluate the quality and authenticity of a company's reported net profit by comparing operating cash flow to net profit. Use this skill when analyzing financial statements to assess if reported profits are backed by actual cash generation, identify potential accounting irregularities, or distinguish between high-quality 'cash cow' companies from those with poor profit quality.
---

# Net Profit Quality Assessment

## When to Use
- Assessing the quality and reliability of a company's reported earnings
- Evaluating whether net profit is supported by actual cash generation
- Identifying potential accounting manipulation or profit inflation
- Screening for high-quality companies with strong cash conversion
- Analyzing financial statements for investment decisions

## Prerequisites
- Income statement data (Net Profit)
- Cash flow statement data (Operating Cash Flow Net Amount)
- Multi-year historical data (recommended for trend analysis)

## Procedure

### Step 1: Obtain Required Data
1. Extract **Net Profit** from the income statement
2. Extract **Operating Cash Flow Net Amount** from the cash flow statement

### Step 2: Calculate Quality Ratio
```
Quality Ratio = Operating Cash Flow Net Amount ÷ Net Profit
```

### Step 3: Interpret Results

**Scenario A: Ratio > 1 (consecutive years)**
- Indicates the company generates more cash than reported profit
- Suggests high profit quality and strong cash conversion
- Potential "cash cow" or "money-printing" type company
- Generally considered a positive signal

**Scenario B: Ratio < 1 (consecutive years)**
- Indicates reported profit exceeds actual cash generation
- Suggests low profit quality
- Requires investigation into underlying causes:
  - Accumulating accounts receivable
  - Excess inventory buildup
  - Aggressive revenue recognition
  - Potential accounting irregularities
- Exercise caution and conduct deeper analysis

## Important Notes

### Core Principle
Net profit does NOT equal actual cash earned by the company. Always verify profit quality by comparing against cash flow statements.

### Constraints
- **Not suitable for financial industry companies** unless adjusted for industry-specific accounting standards
- **Requires multi-year analysis** - single-year data may be misleading due to timing differences
- **Industry context matters** - compare ratios within the same industry

### Best Practices
- Analyze trends over 3-5 years for reliable assessment
- Investigate significant year-to-year fluctuations
- Combine with other financial metrics for comprehensive analysis
- Consider business cycle impacts on cash flow timing
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## Source Provenance

- Collection: `手把手教你读财报`
- Archive: `手把手教你读财报.zip`
- Source file: `../_sources/手把手教你读财报.md`
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