In previous posts, we discussed the momentum phenomena in the options market. In essence, evidence suggests that delta-hedged straddle option positions exhibit momentum. This means that firms whose options performed well in the past 6 to 36 months are likely to experience high option returns in the next month. Reference …

A market shock, exemplified by the 1987 crash, denotes a sudden and severe disturbance in financial markets, leading to significant disruptions and abrupt changes in asset prices. This event can have a lasting impact. For instance, prior to the 1987 crash, volatility remained flat. Post the crash, there emerged a …

Forecasting stock prices is a challenge due to the non-stationary nature of price time series and the noisy data inherent in these price sequences. Linear regression was a frequently used prediction method, but recent advancements in computing technologies have given rise to more sophisticated approaches like Long Short-Term Memory (LSTM), …

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 …

Stock momentum refers to the tendency of assets that have been performing well to continue outperforming others over a certain period. This phenomenon is rooted in the belief that existing trends are likely to persist. A reversal occurs when the direction of a price trend shifts, transitioning from an upward …

The weekend (or Monday) effect in the stock market refers to the phenomenon where stock returns exhibit different patterns on Mondays compared to the rest of the week. Historically, there has been a tendency for stock prices to be lower on Mondays. Various theories attempt to explain the weekend effect, …

Realized volatility (RV) is a measure that captures the degree of price fluctuation in a financial instrument over a specific period. This metric is valuable for investors and traders as it reflects the true price action experienced by an asset, aiding in risk assessment and strategy development. Realized volatility contrasts …

Dividend yield is a financial metric that provides insight into the income generated by an investment in the form of dividends, relative to its market price. Expressed as a percentage, the dividend yield is calculated by dividing the annual dividend per share by the current market price per share. This …

Beta is a financial metric that measures the sensitivity of a stock’s returns in relation to the overall market. It provides insights into how much a stock tends to move in response to market fluctuations. A beta of 1 indicates the stock generally moves in line with the market, while …

The VIX, commonly known as the “fear gauge,” is a model-free index that serves as a reflection of market volatility expectations for the upcoming 30 days. Essentially, it represents the price of a basket of short-maturity options. The VIX is calculated from the S&P 500 index options’ prices, offering a …