Nicole Horta

Instituto Politécnico de Setúbal · Departamento de Contabilidade e Finanças

The purpose of this paper is to estimate whether portfolio diversification is feasible in the capital markets of the Netherlands (AEX), France (CAC 40), Germany (DAX 30), Canada (FTSE 100), Italy (FTSE MIB), Spain (IBEX 35), Russia (IMOEX), and the commodities oil (WTI), silver (XAG), gold (XAU), and platinum (XPT) from January 1st, 2018, to Decemb...

In this study we analyse efficiency, in its weak form, in the exchange rates AUD/USD (Australian dollar/US dollar), BRL/USD (Brazilian real/US dollar), CHF/USD (Swiss franc/US dollar), EUR/USD (Euro/US dollar), GBP/USD (British pound/US dollar), JYP/USD (Japanese yen/US dollar), RUB/USD (Russian rouble/US dollar) and SGD/USD (Singapore dollar/US do...

This paper intends to analyze efficiency, in its weak form, in the stock markets of Austria (ATX), Poland (WIG), the Czech Republic (PX Prague), Hungary (BUX), Croatia (CROBEX), Serbia (BELEX 15), Romania (BET), and Slovenia (SBI TOP), from February 16, 2018, to February 15, 2023. To achieve the research aim, we intend to answer the following resea...

When compared to traditional financial markets, cryptocurren-cies were seen as assets with minimal correlations. However, because this continually expanding financial market is marked by substantial volatility and strong price movements over a short period, developing an accurate and reliable forecasting model is deemed crucial for portfolio manage...

Russia invaded Ukraine on February 24 th , 2022, marking a steep escalation of the Russo-Ukrainian War, which began in 2014 after the Ukrainian Dignity Revolution. The invasion caused Europe's largest refugee crisis since World War II, with more than 5.5 million Ukrainians leaving the country and a quarter of the population displaced. At the outbre...

On February 24 th , 2022, Russia launched a full-scale military invasion against Ukraine, marking a sharp escalation to a conflict that began in 2014. Several analysts have called the invasion the largest military invasion in Europe since World War II. Considering these events this paper aims to test the efficient market hypothesis, in its weak for...

Following the Revolution of Dignity in Ukraine in 2014, Russia an­nexed Crimea, while separatist forces supported by the Russian government seized part of the Donbas region in south-eastern Ukraine. Since the begin­ning of 2021, a build-up of Russian military presence has occurred along the Russia-Ukraine border. The United States and other countri...

The energy sector has been the main economic hub in everyone’s lives and in worldgeopolitics. Consequently, oil, gas, electricity and energy from renewable sources (wind and solar)are traded on the stock market, and all interconnected around the world. On the other hand, aglobal health crisis, such as COVID-19, can produce a great economic catastro...

This chapter aims to test the financial integration and movements in the capital markets. The results suggest that long-term relationships between capital markets and oil markets do not help explain short-term moves. The authors consider the results achieved to be of interest to investors seeking opportunities in these financial markets, and also t...

This chapter aims to analyze financial integration and the presence of long memories in nine capital markets in the period from June 5, 2017 to June 3, 2022. To provide robustness to the research we divide the sample into two sub-periods: tranquil and crisis (global pandemic of 2020 and the Russian invasion of Ukraine in 2022). To conduct this anal...

This chapter aims to test the efficient market hypothesis, in its weak form, in the capital markets of Germany (DAX), USA (Dow Jones), France (CAC 40), UK (FTSE 100), Italy (FTSE MIB), Russia (MOEX), Japan (NIKKEI 225), Canada (S&P TSX), China (Shanghai and Shenzhen), as well as the exchange rates Rouble/Canadian, Rouble/Euro, Rouble/Swiss, Rouble/...

The purpose of this study is to examine the synchronism between the US capital markets (DJ, S&P 500), the United Kingdom (FTSE 100), Canada (S&P/TSX), Germany (DAX 30), France (CAC 40), Japan (Nikkei 225), Italy (Italy Ds Market and major cryptocurrencies such as Bitcoin (BTC), Litecoin (LTC), Ethereum (ETH), and the Crypto 10 index, from February...

This paper aims to test efficiency, in its weak form, in the capital markets of the Philippines (PSEi), South Korea (KOSPI), Indonesia (JKSE), Thailand (SET), Malaysia (KLCI), China (SSEC) and Hong Kong (HSI) over the period from January 2, 2017, to February 17, 2022. The return series shows signs of deviation from the normality hypothesis, given t...

The objective of this article is to analyze the co-movements in the G7 stock markets, such as DJ results show an increase in movements during the global pandemic period. It is then possible to conclude the existence of evidence regarding synchronization and high co-movements, the results put at risk the implementation of efficient portfolio diversi...

The purpose of this study is to examine the synchronism between the US capital markets (DJ, S&P 500), the United Kingdom (FTSE 100), Canada (S&P/TSX), Germany (DAX 30), France (CAC 40), Japan (Nikkei 225), Italy (Italy Ds Market and major cryptocurrencies such as Bitcoin (BTC), Litecoin (LTC), Ethereum (ETH), and the Crypto 10 index, from February...