The main purpose of this comprehensive study is to determine the optimal hedge ratios and hedging effectiveness of different futures contracts traded on the Borsa Istanbul (BIST), namely the BIST 30 equity index, US dollar–Turkish lira currency futures (USD-TRY), euro–Turkish lira (EUR-TRY)...

Employing asset-pricing models over the period 2012 to 2017, this study examines whether a search attention index (SAI) explains the variation in the weekly excess return of stocks. The study finds that the estimated abnormal return of a portfolio based on search intensity is significantly high...

This paper compares the impact of market multiples on stock returns between emerging (ASEAN) and developed (European) financial markets. A t-test, fixed effects, and GMM are applied to a sample of 4725 firms for fifteen years. The findings show that market multiples differ across emerging and...

We study the post-earnings announcement drift (PEAD) anomaly and its determinants in Borsa Istanbul using quarterly earnings announcements and three different surprise measures. We find evidence supportive of the existence of PEAD in the Turkish stock market. Sorting stocks each quarter into...

This study shows how correlated information consumption (CIC) of retail investors relates to comovement in stock market outcomes. We construct clusters of stocks with CIC by employing network analysis on Google co-search data. We predict significant comovement in returns and liquidity of stocks...

The recent 50% drop in the price of the flagship cryptocurrency Bitcoin reinforces the persistent anxiety among cryptocurrency investors. Can alternative assets hedge Bitcoin risk? This study investigates the ability of equities, commodities, bonds, currencies, and VIX futures to hedge Bitcoin....

Momentum, size, and low volatility in emerging markets regularly exhibit increased correlations across factors and markets in periods of negative returns. I provide a framework to distinguish a unique source of risk from a set of factors in the stage of portfolio formation. The framework is...

We mathematically show that, no matter how many factors are added to the capital asset pricing model (CAPM), beta will always matter. We also show that adding more factors to a single-factor CAPM requires market risk premiums to be modeled as time varying. In addition to allowing time-varying...

This paper minimizes the risk of Brent oil in a multivariate portfolio, with three risk-minimizing goals: variance, parametric value-at-risk (VaR), and semiparametric value-at-risk. Brent oil is combined with five emerging ASEAN (Association of Southeast Asian Nations) stock indexes and five...

This paper examines the relationship between idiosyncratic risk and stock returns in BRICS (Brazil, Russia, India, China, and South Africa) countries by applying parametric and nonparametric approaches. It also explores the idiosyncratic risk puzzle by dividing firms into groups based on...