If you understand these 20 finance formulas, you're already ahead of most investors.
Finance isn't about memorizing numbers.
It's about understanding what those numbers are telling you.
Here are some of the most important formulas every investor, finance student, and analyst should know:
📈 Valuation
• Present Value (PV)
• Future Value (FV)
• Net Present Value (NPV)
• Weighted Average Cost of Capital (WACC)
• Capital Asset Pricing Model (CAPM)
📊 Profitability
• Earnings Per Share (EPS)
• Return on Equity (ROE)
• Return on Assets (ROA)
• Return on Investment (ROI)
• EBITDA
💰 Valuation Ratios
• Price-to-Earnings (P/E)
• Enterprise Value (EV)
🏦 Financial Health
• Debt-to-Equity (D/E)
• Current Ratio
• Quick Ratio
• Interest Coverage Ratio
⏳ Investment Analysis
• Payback Period
• Dividend Yield
• Sharpe Ratio
• Beta (β)
The biggest mistake many beginners make is focusing only on P/E Ratio.
Great investing comes from looking at a combination of profitability, valuation, leverage, liquidity, and risk.
You don't need to memorize every formula.
But you should know:
What each metric measures
When to use it
And more importantly, when not to use it.
That's what separates someone who reads financial statements from someone who truly understands a business.
Which finance metric do you use the most while analyzing a company?
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EBITDA is one of the most talked-about metrics in investing. But what does it actually tell you?
Many investors look only at Net Profit.
Professional investors also look at EBITDA because it shows how the core business is performing before financing and accounting decisions come into play.
Think of the income statement like this:
📈 Revenue
The total sales generated by the business.
⬇️ Operating expenses are deducted.
💰 EBITDA
This shows the operating profit before Interest, Taxes, Depreciation, and Amortization.
⬇️ Deduct Depreciation & Amortization.
📊 EBIT
Operating profit after accounting for the wear and tear of assets.
⬇️ Deduct Interest.
🏦 Deduct Taxes.
✅ Net Income
The final profit available to shareholders.
Why do analysts use EBITDA?
• It focuses on the operating performance of the business.
• Makes it easier to compare companies with different debt levels and tax structures.
• It is widely used in valuations, especially the EV/EBITDA multiple.
• Commonly used in investment banking, private equity, and equity research.
But EBITDA has limitations.
It is not cash flow.
It ignores capital expenditure requirements and changes in working capital, so a high EBITDA doesn't always mean strong cash generation.
That's why experienced investors never rely on EBITDA alone.
They look at it alongside Operating Cash Flow, Free Cash Flow, Net Profit, and Return on Capital to get the complete picture.
What's your preferred profitability metric when analyzing a business: EBITDA, EBIT, or Free Cash Flow?
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