Taiwan Semiconductor Manufacturing Company (TSMC) is the world's largest dedicated independent semiconductor foundry, and its financial ratios are key indicators of its performance and valuation. As of the latest data, TSMC's key financial ratios include:

1. Price-to-Earnings (P/E) Ratio: This ratio measures the company's current share price relative to its per-share earnings. TSMC's P/E ratio is often compared to industry peers to assess whether the stock is overvalued or undervalued. As of recent data, TSMC's P/E ratio is approximately 18-20, reflecting its strong earnings and market position.

2. Price-to-Book (P/B) Ratio: This ratio compares a company's market value to its book value. TSMC's P/B ratio is typically around 5-6, indicating that the market values the company significantly higher than its net asset value, which is common for high-growth tech companies.

3. Debt-to-Equity (D/E) Ratio: This ratio indicates the relative proportion of shareholders' equity and debt used to finance a company's assets. TSMC maintains a low D/E ratio, often below 0.5, reflecting its strong balance sheet and minimal reliance on debt financing.

4. Return on Equity (ROE): This ratio measures the profitability relative to shareholders' equity. TSMC's ROE is consistently high, often above 20%, showcasing its efficiency in generating profits from its equity base.

5. Dividend Yield: This ratio shows how much a company pays out in dividends each year relative to its stock price. TSMC offers a modest dividend yield, typically around 2-3%, as it reinvests a significant portion of its earnings back into the business to fuel growth.

6. Gross Margin: This ratio indicates the percentage of revenue that exceeds the cost of goods sold. TSMC's gross margin is usually around 50%, reflecting its strong pricing power and cost efficiency in semiconductor manufacturing.

7. Operating Margin: This ratio measures the proportion of revenue left after paying for variable costs of production. TSMC's operating margin is typically around 40%, indicating strong operational efficiency.

8. Net Profit Margin: This ratio shows the percentage of revenue that remains as profit after all expenses. TSMC's net profit margin is usually around 30%, reflecting its ability to convert a significant portion of revenue into profit.

These ratios are crucial for investors and analysts to evaluate TSMC's financial health, operational efficiency, and growth potential. Given TSMC's dominant position in the semiconductor industry, these ratios often serve as benchmarks for the sector. However, it's important to note that these ratios can fluctuate based on market conditions, company performance, and broader economic factors. For the most accurate and up-to-date information, it's advisable to refer to TSMC's latest financial statements and reports.