September 24, 2026

volatility

Dispersion Trading erklärt: Implied Correlation, Indexoptionen, Einzelaktien-Volatilität und die versteckte Relative-Value-Wette

Dispersion Trading erklärt: Wie Indexvolatilität, Einzelaktienoptionen und implizite Korrelation zusammenhängen – und warum die scheinbar marktneutrale Strategie erhebliche Tail-Risiken trägt.

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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.

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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.

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