Foreign exchange option symmetry and a coordinate-free description of a multiple currency market in terms of differential geometry on graphs

2001 ◽  
Vol 47 (9) ◽  
pp. 5885-5896 ◽  
Author(s):  
Valery A. Kholodnyi ◽  
John F. Price
10.1142/3688 ◽  
1998 ◽  
Author(s):  
Valery A Kholodnyi ◽  
John F Price

2019 ◽  
Vol 2019 ◽  
pp. 1-13
Author(s):  
Younes Chihab ◽  
Zineb Bousbaa ◽  
Marouane Chihab ◽  
Omar Bencharef ◽  
Soumia Ziti

In the Forex market, the price of the currencies increases and decreases rapidly based on many economic and political factors such as commercial balance, the growth index, the inflation rate, and the employment indicators. Having a good strategy to buy and sell can make a profit from the above changes. A successful strategy in Forex should take into consideration the relation between benefits and risks. In this work, we propose an intraweek foreign exchange speculation strategy for currency markets based on a combination of technical indicators. This system has a two-level decision and is composed of the Probit regression model and rules discovery using Random Forest. There are two minimum requirements for a trading strategy: a rule to enter the market and a rule to exit it. Our proposed system, to enter the currency market, should validate two conditions. First, it should validate Random Forest access rules over the following week while in the second one the predicted value of the next day using Probit should be positive. To exit the currency market just one negative warning from Probit or Random Forest is enough. This system was used to develop dynamic portfolio trading systems. The profitability of the model was examined for USD/(EUR, JYN, BRP) variation within the period from January 2014 to January 2016. The proposed system allows improving the prediction accuracy. This indicates a good prediction of the behavior market and it helps to identify the good times to enter it or to leave it.


Author(s):  
O. Zaitsev ◽  
T. Dvorianova

The article draws attention to the steady growth of the general trend of direct participation of individuals in financial transactions using electronic platforms. In particular, the article notes the increased interest in participating in operations in the Forex currency market. It is emphasized that relatively technically easy access to participation in financial transactions through the use of electronic platforms is currently a potential threat to financial security for the funds of participants in such transactions. This is a lack of professional training of most novice traders who voluntarily become participants in financial transactions. It is emphasized that stock exchange transactions on stock markets, purchase and sale of currency on electronic platforms, transactions with gold, etc. require, along with general, also special knowledge on certain specific areas of economic development and financial relations. Also, psychological and behavioral factors begin to "work" in such relationships. It is noted that only from the beginning of 2019 in Ukraine at the legislative level began a systematic regulation of the structure of the foreign exchange market and the procedure for trading in foreign currency. The article states that it is time to pay attention to digitalized trading activities from a professional point of view and start teaching in educational institutions the relevant disciplines for training and acquiring students' general skills in trade and financial transactions on electronic platforms. From this point of view, the article provides an introductory review of the Forex currency market, outlines the principles of its operation, pays more attention to trading strategies. As a result, the following conclusions are made that, first, the foreign exchange market is highly profitable provided that its trends are mastered; secondly, the foreign exchange market is high risk; it is necessary to understand not only in many terms, but, especially, in processes and situations in the financial-globalized world to confidently use charts of change of cost of currencies for profit; thirdly, there are many different strategies that can be used successfully in the currency market, from the simplest - for amateurs, to more complex - for experienced traders, but none of them will fit perfectly for a particular psychotype, professional level and amount of time a person - trader can pay trade. Of particular value, according to the authors, is the following conclusion: a trader creates his own strategy, which provides a greater likelihood of earnings in the international Forex market. Currency trader is a creative activity, but an activity based on mastering a large base of professional knowledge.


2021 ◽  
pp. 097215092110205
Author(s):  
Dharmendra Singh ◽  
M. Theivanayaki ◽  
M. Ganeshwari

The objective of this article is to examine the volatility spillover effect between the foreign exchange market and the stock market of Brazil, Russia, India, China and South Africa (BRICS) countries along with Japan as the developed country in the region, affecting the BRICS countries. Generalized Autoregressive Conditionally Heteroscedastic (GARCH) (1,1) method is used to study the volatility between the stock market and the foreign exchange market in selected countries, and asymmetric model, that is, Exponential Generalized Autoregressive Conditional Heteroscedasticity—EGARCH (1,1) is also used to investigate the presence of leverage effects in both stock market and foreign exchange market in selected countries. GARCH findings suggest a two-way volatility spillover between the stock market and foreign exchange markets for India, China and South Africa. In BRICS countries, volatility spillover from the currency market to the stock market is seen as more evident and robust as compared to spillover from the stock market to the currency market. A positive asymmetry in spillover is also observed from the foreign exchange market to the stock market. The findings of the study may provide valuable information to investors for decision-making in international portfolio investment and also for economic policymakers for their financial stability perspective.


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