Category: RISK MANAGEMENT

Can Hypothesis Testing Reduce Data Mining Risks?

A significant challenge in designing trading strategies is the data mining problem, which arises from the vast amount of data available and the potential for spurious correlations. With an abundance of historical market data, traders may inadvertently identify patterns or relationships that appear significant but are merely coincidental. This can …

Volatility Spillover Between Developing Markets

Volatility spillover refers to the transmission of volatility shocks from one market or asset to another, leading to increased volatility in the receiving market. These spillovers can occur within the same asset class or across different asset classes. For instance, a sudden increase in volatility in one stock market may …

Is Gold a Strong Hedge and a Safe Haven Asset?

Gold plays an important role as a diversifier in investment portfolios due to its unique characteristics. Historically, gold has exhibited a low correlation with other asset classes such as stocks and bonds, making it an effective hedge against market volatility and economic uncertainty. During times of economic downturns or geopolitical …

Intraday and Overnight Volatility Clustering Effect

Volatility clustering is a phenomenon observed in financial markets where periods of high volatility tend to cluster together, followed by periods of low volatility. This pattern suggests that extreme price movements are not randomly distributed over time but rather occur in clusters or groups. Volatility clustering has undergone extensive study …

Can We Predict a Market Correction?

A correction in the equity market refers to a downward movement in stock prices after a sustained period of growth. Market corrections can be triggered by various factors such as economic indicators, changes in investor sentiment, or geopolitical events. During a correction, stock prices may decline by a certain percentage …

Predicting Covariance Matrices of Returns

Covariance plays an important role in portfolio construction as it measures the relationship between the returns of different assets in a portfolio. Understanding covariance helps investors to diversify their investments effectively by selecting assets that are not highly correlated with each other. Covariance also allows investors to assess the impact …

When Are Stop Losses Effective?

A stop loss serves as a risk management tool, helping investors limit potential losses by automatically triggering the sale of a security when its price reaches a predetermined level. This level is set below the purchase price for long positions and above the purchase price for short positions. By implementing …

Forecasting Short-Term Stock-Bond Correlation

Stock-bond correlation is a critical factor in portfolio diversification, influencing how different asset classes interact during market movements. The correlation between stocks and bonds helps investors understand the degree to which these two assets move in relation to each other. In the years of 2010s, stocks and bonds have had …