Browsing by Author Sebastião, Helder


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Issue DateTitleAuthor(s)TypeAccess
2021Forecasting and trading cryptocurrencies with machine learning under changing market conditionsSebastião, Helder Miguel Correia Virtuoso ; Godinho, Pedro Manuel Cortesão articleopenAccess
25-Mar-2022Forecasting Bitcoin Realized Volatility: The role of Blockchain InformationPereira, Francisco André TomémasterThesisopenAccess
15-Apr-2021Forecasting the volatility of Bitcoin using market and Blockchain informationFigueiredo, Madalena OliveiramasterThesisopenAccess
Jun-2021From Bitcoin to Central Bank Digital Currencies: Making Sense of the Digital Money RevolutionCunha, Paulo Rupino ; Melo, Paulo ; Sebastião, Helder articleopenAccess
10-Feb-2016As fusões hospitalares de 2011 e o seu impacto na eficiênciaCruz, Sérgio Almeida masterThesisopenAccess
23-Mar-2017The Iberian Electricity Market: Price Dynamics and Forward Risk PremiumFerreira, Márcio Rafael Baptista masterThesisopenAccess
Jan-2023Industry return lead-lag relationships between the US and other major countriesMonteiro, Ana; Silva, Nuno; Sebastião, Helder articleopenAccess
2018Information Transmission Between Cryptocurrencies: Does Bitcoin Rule the Cryptocurrency World?Bação, Pedro ; Duarte, António Portugal ; Sebastião, Helder ; Redzepagic, Srdjan articleopenAccess
2018Information Transmission Between Cryptocurrencies: Does Bitcoin Rule the Cryptocurrency World?Bação, Pedro ; Duarte, António Portugal ; Sebastião, Hélder ; Redzepagic, Srdjan workingPaperopenAccess
2020International evidence on stock returns and dividend growth predictability using dividend yieldsMonteiro, Ana ; Sebastião, Helder ; Silva, Nuno articleopenAccess
2020International evidence on stock returns and dividend growth predictability using dividend yieldsMonteiro, Ana; Sebastião, Helder Miguel Correia Virtuoso ; Silva, Nuno articleopenAccess
14-Mar-2018Investigações Antitrust na UE: o impacto no valor de mercado das empresasCarrilho, Pedro Andre Mano masterThesisopenAccess
30-Jul-2020IPO patterns in Euronext after the global financial crisis of 2007-2008Silva, Nuno ; Sebastião, Helder Miguel Correia Virtuoso ; Henriques, DiogoworkingPaperopenAccess
Jul-2021IPO Patterns in Euronext After the Global Financial Crisis of 2007‑ 2008Silva, Nuno; Sebastião, Helder ; Henriques, DiogoarticleopenAccess
17-Feb-2017O Mercado de Bitcoins/USD. Caracterização Estatística e Inter-Relação TemporalGuerreiro, Gabriel Correia masterThesisopenAccess
23-Sep-2013Modelling and numerical analysis in option market with memoryThomaz, Júlio Cezar Alves doctoralThesisopenAccess
30-Apr-2021Multifractality in bitcoinVaz, Cristiana Filipa TeixeiramasterThesisopenAccess
17-Mar-2021Native pricing factores of the cryptocurrencies ecosystemLima, Tomé da Costa Tavares demasterThesisopenAccess
22-Dec-2017New Ways of Measuring and Dealing with Risk and Return in Portfolio OptimizationBrito, Rui Pedro Gonçalves de doctoralThesisopenAccess
2017On the gains of using high frequency data and higher moments in Portfolio SelectionBrito, Rui Pedro ; Sebastião, Hélder ; Godinho, Pedro workingPaperopenAccess