collaborators

5 papers

q-fin.ST2025

Using quantile time series and historical simulation to forecast financial risk multiple steps ahead

Richard Gerlach, Antonio Naimoli, Giuseppe Storti

A method for quantile-based, semi-parametric historical simulation estimation of multiple step ahead Value-at-Risk (VaR) and Expected Shortfall (ES) models is developed. It uses th…

econ.EM2025

Global Neural Networks and The Data Scaling Effect in Financial Time Series Forecasting

Chen Liu, Minh-Ngoc Tran, Chao Wang +2

Neural networks have revolutionized many empirical fields, yet their application to financial time series forecasting remains controversial. In this study, we demonstrate that the…

q-fin.RM2024

Semi-parametric financial risk forecasting incorporating multiple realized measures

Rangika Peiris, Chao Wang, Richard Gerlach +1

A semi-parametric joint Value-at-Risk (VaR) and Expected Shortfall (ES) forecasting framework employing multiple realized measures is developed. The proposed framework extends the…

q-fin.RM2024

Financial Volatility and Risk Forecasting Incorporating a Larger Number of Realized Measures

Qianli Zhao, Chao Wang, Richard Gerlach +2

Realised volatility has become increasingly prominent in volatility forecasting due to its ability to capture intraday price fluctuations. With a growing variety of realised volati…

q-fin.RM2024

Loss-based Bayesian Sequential Prediction of Value at Risk with a Long-Memory and Non-linear Realized Volatility Model

Rangika Peiris, Minh-Ngoc Tran, Chao Wang +1

A long memory and non-linear realized volatility model class is proposed for direct Value at Risk (VaR) forecasting. This model, referred to as RNN-HAR, extends the heterogeneous a…