Search Results for author: Masaya Abe

Found 7 papers, 0 papers with code

Doubly Robust Mean-CVaR Portfolio

no code implementations20 Sep 2023 Kei Nakagawa, Masaya Abe, Seiichi Kuroki

However, the instability associated with the input parameter changes and estimation errors can deteriorate portfolio performance.

Portfolio Optimization

Controlling False Discovery Rates under Cross-Sectional Correlations

no code implementations15 Feb 2021 Junpei Komiyama, Masaya Abe, Kei Nakagawa, Kenichiro McAlinn

We achieve superior statistical power to existing methods and prove that the false discovery rate is controlled.

Time Series Time Series Analysis

RM-CVaR: Regularized Multiple $β$-CVaR Portfolio

no code implementations28 Apr 2020 Kei Nakagawa, Shuhei Noma, Masaya Abe

In order to improve this problem, we propose RM-CVaR: Regularized Multiple $\beta$-CVaR Portfolio.

Portfolio Optimization

Cross-sectional Stock Price Prediction using Deep Learning for Actual Investment Management

no code implementations17 Feb 2020 Masaya Abe, Kei Nakagawa

We perform empirical analysis in the Japanese stock market and confirm the profitability of our framework.

Management Stock Price Prediction

A Robust Transferable Deep Learning Framework for Cross-sectional Investment Strategy

no code implementations2 Oct 2019 Kei Nakagawa, Masaya Abe, Junpei Komiyama

Stock return predictability is an important research theme as it reflects our economic and social organization, and significant efforts are made to explain the dynamism therein.

BIG-bench Machine Learning Decision Making +1

Deep Recurrent Factor Model: Interpretable Non-Linear and Time-Varying Multi-Factor Model

no code implementations20 Jan 2019 Kei Nakagawa, Tomoki Ito, Masaya Abe, Kiyoshi Izumi

Specifically, we extend the linear multi-factor model to be non-linear and time-varying with LSTM.

Management

Deep Learning for Forecasting Stock Returns in the Cross-Section

no code implementations3 Jan 2018 Masaya Abe, Hideki Nakayama

Many studies have been undertaken by using machine learning techniques, including neural networks, to predict stock returns.

BIG-bench Machine Learning speech-recognition +1

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