Ever wondered how to compare investments fairly, considering their risks?
Image: Jashuah, CC BY-SA 3.0, via Wikimedia Commons
Ever wondered how to compare investments fairly, considering their risks?
Imagine you're choosing between two savings accounts. One offers a higher interest rate but comes with more uncertainty, while the other offers a lower rate but is more predictable.
Think of it like choosing between two roller coasters. The first one has exciting ups and downs, while the second one is smoother but still thrilling. The Sharpe ratio helps you figure out which ride offers more excitement for the level of unpredictability, giving you a fair comparison.
Example
Account A offers 5% with a 2% chance of losing money, while Account B offers 3% with no chance of losing money. The Sharpe ratio helps you decide which is better considering both the potential gains and the risks.
Remember this
The Sharpe ratio tells you how much extra return you're getting for taking on extra risk.
Text adapted from Wikipedia, licensed under CC BY-SA 4.0.
Sharpe ratio
Sharpe ratio measures excess return per unit of risk: (R - Rf) / σ
Bias ratio
Bias ratio detects valuation bias in asset pricing
Deflated Sharpe ratio
DSR penalizes upside volatility as much as downside
Graham number
Why pay too much for a stock?
Treynor ratio
Treynor ratio measures excess return per unit of systematic risk
Risk premium
Why do some investments pay more than others?
Educational content, not financial advice.
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