2020
DOI: 10.1016/j.jfineco.2019.10.007
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Shared analyst coverage: Unifying momentum spillover effects

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Cited by 170 publications
(89 citation statements)
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“…In real market, the stock fluctuation is partially affected by its related stocks which is known as momentum spillover effect in finance [Ali and Hirshleifer 2020]. In this section, based upon our newly constructed bi-typed hybrid-relational MKG, we propose a Dual Attention Networks to learn the relational embeddings of stocks that represent their received spillover signals.…”
Section: Learning Stock Relational Embeddings Via Dual Attention Networkmentioning
confidence: 99%
“…In real market, the stock fluctuation is partially affected by its related stocks which is known as momentum spillover effect in finance [Ali and Hirshleifer 2020]. In this section, based upon our newly constructed bi-typed hybrid-relational MKG, we propose a Dual Attention Networks to learn the relational embeddings of stocks that represent their received spillover signals.…”
Section: Learning Stock Relational Embeddings Via Dual Attention Networkmentioning
confidence: 99%
“…This suggests that assets having fundamental similarities will have momentum spillovers, wherein past return of one asset predicts the returns of assets linked to it. Numerous papers have verified such spillovers in the equity market by using a variety of proxies for inter-firm linkages (see, e.g., Moskowitz and Grinblatt, 1999;Cohen and Frazzini, 2008;Menzly and Ozbas, 2010;Lee et al, 2019;Ali and Hirshleifer, 2020;Parsons et al, 2020). Similarly, the estimated communities in the cryptos market are designed to optimally capture the information propagation and technological similarities between cryptos.…”
Section: Momentum Spillovermentioning
confidence: 99%
“…Second, to formally test the information propagation effects within crypto communities, we form a cross-sectional portfolio that implements an inter-crypto momentum trading strategy. Prior literature has documented that, due to information propagation, assets that have fundamental similarities will have momentum spillovers, wherein past return of one asset predicts the returns of assets linked to it (see, e.g., Moskowitz and Grinblatt, 1999;Cohen and Frazzini, 2008;Menzly and Ozbas, 2010;Lee, Sun, Wang, and Zhang, 2019;Ali and Hirshleifer, 2020;Parsons, Sabbatucci, and Titman, 2020). Based on this argument, we construct a trading signal for each crypto using the average returns of the rest of cryptos in the same community.…”
mentioning
confidence: 99%
“…In asset pricing, previous studies have identified lead-lag structures in stock returns across various dimensions, such as firm size, industry, and the supply chain. A recent paper by Ali and Hirshleifer (2020) finds that using common analysts to trace a lead-lag structure generates particularly strong momentum strategy profits. Shared analysts offer a potential way to identify related firms for applications such as pairs trading strategies, and analyst connections can be related to information transfers that contribute to co-movement in stock returns.…”
Section: B Potential Value Added In Specific Research Topicsmentioning
confidence: 99%