In a previous post, we discussed how the dynamics of assets are priced in the options prices. We recently came across a newly published article that explored the same topic but from a different perspective that does not involve options. The conclusion of the new article is consistent with …

Human psychological bias affects us in many different ways. We have recently discussed how recency bias influences our trading. In this post, we’re going to talk about selection bias. Selection bias occurs when a statistical sample is not representative of the entire population. This situation arises, for example, when a …

Analyzing intermarket relationships between assets can help identify trends and predict returns. Traditionally, analysts use commodity, currency, and interest-rate data to predict the direction of the stock market. In this regard, reference brings a fresh new perspective. It utilized price ratios of gold over other assets in order to …

Trading is a difficult endeavor, and the main reason most traders fail is that they don’t have an edge. The expectation value of most trading strategies is zero before commissions and slippage. Taking commissions and slippage into account, trading is a negative-sum game. Even with a positive expectancy trading system, …

Momentum trading is often divided into 2 categories: time-series momentum and cross-sectional momentum. Time-series based trading strategies generate trading signals based on the asset’s past returns. A typical time-series trading strategy usually involves buying assets with positive trend signals and selling those with negative trend signals. In contrast, cross-sectional trading …

Day trading is a popular discussion topic in the practitioners’ literature, the blogosphere, and social media. It receives,  however, less attention in the academic community. We have previously discussed a paper on the intraday momentum in the stock indices. Reference extended the research to the oil market. It used …

Pairs trading is a quantitative trading strategy that is often discussed in the academic as well as practitioners’ literature. We have written about this trading strategy extensively from different perspectives. In this post, we’re going to look at the risk/PnL drivers of the pairs trading strategy. Reference pointed out …

Portfolio hedging is a risk-management practice that uses a number of strategies to mitigate the risks of any given portfolio. Tail risk hedging in particular is one of the techniques used in equity portfolio management. It basically involves buying put options in a certain amount to partially or fully protect …

A company’s book value is basically the net worth of its assets as found on the balance sheet, and it’s usually about equal to the amount that all shareholders will receive if the company liquidates and pays off all of its liabilities. Book value has been one of the most …

The liquidity of a stock is of concern to traders who want to execute a large order at reasonable prices without making a big impact on the market. A stock liquidity level is, however, also a factor influencing the stock expected return. Along this line, Reference examined how a …