Sortino Ratio Explained: Formula, Downside Deviation, Sharpe Comparison and Hidden Traps
Sortino ratio explained with the formula, downside deviation, minimum acceptable return, worked examples, Sortino vs Sharpe, annualization and common mistakes.
- September 15, 2026
- by Novalis
- 12 minutes read
- 74 Views
Modern Portfolio Theory Explained: Efficient Frontier, Diversification and Why Optimization Fails
Modern Portfolio Theory explained with the efficient frontier, mean-variance optimization, correlation, diversification, minimum variance and practical portfolio limits.
- September 15, 2026
- by Novalis
- 12 minutes read
- 80 Views
Sharpe Ratio Explained: Formula, Examples, What Is a Good Sharpe Ratio and the Hidden Traps
Sharpe ratio explained with the formula, worked examples, what a good Sharpe ratio means, annualization, negative ratios, Sortino, drawdowns and hidden tail risk.
- September 15, 2026
- by Novalis
- 13 minutes read
- 96 Views
Asset Allocation Explained: Stocks, Bonds, Diversification and Rebalancing
Asset allocation explained: stocks, bonds, cash, diversification, strategic vs tactical allocation, rebalancing, risk tolerance and common portfolio mistakes.
- September 15, 2026
- by Novalis
- 12 minutes read
- 75 Views
Operating Profit Margin: Formula, Examples, Scale Economics and Margin Expansion
Operating margin explained with the formula, operating income, EBIT margin, gross margin vs operating margin, operating leverage and common traps.
- September 15, 2026
- by Novalis
- 11 minutes read
- 82 Views
Return on Assets (ROA) Explained: Formula, Examples and What a Good ROA Really Means
Return on assets explained with the ROA formula, average assets, ROA vs. ROE and ROIC, asset turnover, leverage, sector differences and common traps.
- September 15, 2026
- by Novalis
- 10 minutes read
- 72 Views
Stock Beta Explained: Formula, Examples, CAPM and What Beta Really Measures
Stock beta explained with the formula, CAPM, regression beta, portfolio beta, leverage, volatility and the limits of using beta as a risk measure.
- September 15, 2026
- by Novalis
- 12 minutes read
- 70 Views
Price-to-Book Ratio Explained: Formula, Examples and the Value Trap
Price-to-book ratio explained with formulas, book value per share, tangible book value, ROE, bank examples and the classic low-P/B value trap.
- September 15, 2026
- by Novalis
- 12 minutes read
- 82 Views
Compound Interest Explained: Formula, Calculator, Examples and Why Time Matters
Compound interest explained with formulas, examples, monthly contributions, fees, inflation, the Rule of 72 and realistic investing assumptions.
- September 15, 2026
- by Novalis
- 13 minutes read
- 90 Views
Dividend Yield Explained: Formula, Examples and How to Spot a Yield Trap
Dividend yield is simple to calculate but easy to misread. Learn forward and trailing yield, payout coverage, ex-dividend mechanics and how to identify a yield trap.
