no code implementations • 16 Apr 2024 • Masanori Hirano, Kentaro Imajo
After continual pre-training using the datasets and the base model, the tuned model performed better than the original model on the Japanese financial benchmarks.
no code implementations • 25 Jul 2023 • Masanori Hirano, Kentaro Minami, Kentaro Imajo
In this framework, a hedger and a generator, which respectively model the underlying asset process and the underlying asset process, are trained in an adversarial manner.
no code implementations • 20 May 2023 • Masanori Hirano, Kentaro Imajo, Kentaro Minami, Takuya Shimada
That is, we develop a fully-deep approach of deep hedging in which the hedging instruments are also priced by deep neural networks that are aware of frictions.
no code implementations • 31 Oct 2022 • Yugo Fujimoto, Kei Nakagawa, Kentaro Imajo, Kentaro Minami
Machine learning-based stock prediction methods including the TC method have been concentrating on point prediction.
1 code implementation • 8 Jun 2021 • Liu Ziyin, Kentaro Minami, Kentaro Imajo
The task we consider is portfolio construction in a speculative market, a fundamental problem in modern finance.
2 code implementations • 2 Mar 2021 • Shota Imaki, Kentaro Imajo, Katsuya Ito, Kentaro Minami, Kei Nakagawa
Deep hedging (Buehler et al. 2019) is a versatile framework to compute the optimal hedging strategy of derivatives in incomplete markets.
1 code implementation • 18 Dec 2020 • Katsuya Ito, Kentaro Minami, Kentaro Imajo, Kei Nakagawa
We show the effectiveness of our method by conducting experiments on real market data.
no code implementations • 14 Dec 2020 • Kentaro Imajo, Kentaro Minami, Katsuya Ito, Kei Nakagawa
In this study, we propose a novel method of constructing a portfolio based on predicting the distribution of a financial quantity called residual factors, which is known to be generally useful for hedging the risk exposure to common market factors.