Data Flows Can Be Highly Inconsistent, with Periodic Peaks, Making

question 37

Multiple Choice

Data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of Big Data called?

• A) volatility
• B) periodicity
• C) inconsistency
• D) variability

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Definitions:

Sharpe Measure

Sharpe Measure, or Sharpe ratio, is used to assess the performance of an investment by adjusting for its risk, comparing the excess return over the risk-free rate to the standard deviation of the investment.

Personal Risk-Aversion

An individual's degree of unwillingness to accept uncertainty in investment outcomes or financial decisions.

Treynor-Black Model

A portfolio optimization model that blends a passively managed market portfolio with actively managed portfolios to achieve higher risk-adjusted returns.

Active Portfolio

An investment portfolio that is frequently adjusted or traded by managers in an attempt to outperform the market.