In this article, the market risk associated with the financial markets of New York and Colombia is evaluated in three periods belonging to the 2019-2020-time window, characterized by shocking economic and social conditions such as the oil price war between Saudi Arabia and Russia and the global...

Whether higher idiosyncratic return volatility means more or less informative stock prices is an ongoing debate. All the existing literature relies on cross-sectional evidence, which makes it hard to isolate the effects of price informativeness on idiosyncratic volatility from other effects. I...

This paper presents a new transform-based approach for path-independent lattice construction for pricing American options under low-dimensional stochastic volatility models. We derive multidimensional transforms which allow us to construct efficient path-independent lattices for virtually all...

The exchange rate plays vital role in the financial market and its importance is increasing in the developing economies. Exchange rate volatility is an important factor to consider in decision making by the investors as the interest of global investment community is increasing in assets market...

The economic and political developments of the past years show an increasing importance of a possible risk-reducing of the company due to good ESG performance. Our work contributes by examining the impact of relatively better ESG performance of companies on their implied and historical share...

We assess investment value of sell-side analyst recommendations from the standpoint of portfolio risk. We match I/B/E/S consensus recommendations issued for U.S.-listed equities during January 2015 with realized volatility of daily security returns up to one year following recommendation issue....

The performance of venture capital (VC) investments load positively on shocks to aggregate return volatility. I document this novel source of risk at the asset-class, fund, and portfolio-company levels. The positive relation between VC performance and volatility is driven by the option-like...

The role of public sentiment in stock market volatility has recently become increasingly relevant. Twitter, in theory, offers an inexpensive way to measure real-time public sentiment. We take advantage of a natural experiment to assess the potential improvement that social media adds to forecast...

We present a new method to measure the intraday relationship between movements of implied volatility smiles and stock index returns. It exploits a specific characteristic of the smile profile in high-frequency data. Using transaction data for EuroStoxx 50 options from 2000 to 2011 and DAX...

Study of volatility in the equity market is a crucial issue in economics and finance. Volatility change in the stock prices has many adverse effects on an economy and also investment. It has received great attention from both academicians and practitioners over the last two decades because it...