The Variance of the Error Variable $\sigma _ { z } ^ { 2 }$

question 25

True/False

The variance of the error variable $\sigma _ { z } ^ { 2 }$ is required to be constant.When this requirement is violated,the condition is called heteroscedasticity.

---

Definitions:

Statistical Arbitrage

A quantitative strategy that seeks to take advantage of price inefficiencies between related financial instruments by employing complex mathematical models.

Triangular Arbitrage

Triangular arbitrage is a risk-free trading strategy that takes advantage of a discrepancy between three foreign currencies in the foreign exchange market.

Carry

The profit or loss that arises from holding an investment over a period of time, considering both the cost of holding the investment and any returns it generates.

AUM

Stands for Assets Under Management, referring to the total market value of the investments that a person or entity manages on behalf of clients.