What is Volatility?- The simple answer is the standard deviation of periodic returns. This video takes some sample data f...

## COURSE

## Introduction to Quantitative Finance

- Volatility and VaR can be scaled using the square root of time rule. According to this rule, if the ...
- The logarithm of a number is the exponent by which another fixed value, the base, has to be raised t...
- We know that the [square root rule](https://financetrain.com/what-is-the-square-root-rule/ "What is ...
- This video provides clarity about the confusion over the stock returns. The expected return of a sto...
- Extreme value theory (EVT) aims to remedy a deficiency with [value at risk](https://financetrain.com...

## LESSONS

What is the Square Root Rule?

Why Use Lognormal Returns in Finance (Stock Prices...

How to Scale Autocorrelated Returns?

Arithmetic Vs. Geometric Stock Returns

Extreme Value Theory