This paper derives a robust online equity trading algorithm that achieves the greatest possible percentage of the final wealth of the best pairs rebalancing rule in hindsight. A pairs rebalancing rule chooses some pair of stocks in the market and then perpetually executes rebalancing trades so...

The cointegrated-based pair trading crucially depends on two key parameters: the length of the formation period and the divergence signal (or opening trigger), which are generally arbitrarily or statistically determined in the literature. In this article, we perform a sensitivity analysis of the...

2020 has been a time of unprecedented change. Financial markets and consumer confidence have collapsed. The unemployment rate has reached double digits; the United States appears headed into a recession. Financial planning is in more demand as individuals and financial markets react to the...

In “Benjamin Graham and Risk”, Brandes Institute Advisory Board member Bruce Grantier examines the similarities and differences between the modern portfolio theory concept of risk and the writings of Benjamin Graham and other prominent value investors. This article is part of an ongoing...

Modern Portfolio Theory, the Capital Asset Pricing Model, and the Efficient Market Hypothesis are cornerstone concepts in both academic and professional curricula. In spite of their long history and reputation, the CAPM and its extensions do not yield satisfactory empirical results. We argue...

Modern Portfolio Theory, the Capital Asset Pricing Model, and the Efficient Market Hypothesis are the cornerstone concepts in both academic and professional curricula. In spite of their long history and reputation, the CAPM and its extensions are not able to yield satisfactory empirical results....

The HODL ideology overgeneralizes the buy-and-hold strategy for risky assets, leading to potential harm in investor wealth accumulation and investor-advisor relations. It originates from misunderstandings of financial theories, empirical evidence, technical analysis, and market timing. I provide...

Warren Buffett is a long-term investor, but is required by law to disclose his trades on a quarterly basis. The market seems to under-react to the revelation of his trades. From 1980 to 2006, it has been possible to achieve investment results similar to Buffett's own simply by following his...

We analyze a unique, comprehensive, multi-decade dataset of all communications with clients by a boutique investment advisory and investment management firm to explore the behavior of individuals involved in financial decision making. We propose and test a theory of self-regulation to explain...