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Related papers: Financial Fine-tuning a Large Time Series Model

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This paper introduces BreakGPT, a novel large language model (LLM) architecture adapted specifically for time series forecasting and the prediction of sharp upward movements in asset prices. By leveraging both the capabilities of LLMs and…

Statistical Finance · Quantitative Finance 2024-11-12 Aleksandr Simonyan

Time series anomaly detection is essential for the reliable operation of complex systems, but most existing methods require extensive task-specific training. We explore whether time series foundation models (TSFMs), pretrained on large…

Machine Learning · Computer Science 2026-01-05 Miseon Park , Kijung Yoon

Financial time-series forecasting is one of the most challenging domains in the field of time-series analysis. This is mostly due to the highly non-stationary and noisy nature of financial time-series data. With progressive efforts of the…

Machine Learning · Computer Science 2022-01-17 Mostafa Shabani , Dat Thanh Tran , Martin Magris , Juho Kanniainen , Alexandros Iosifidis

Time series analysis is the process of building a model using statistical techniques to represent characteristics of time series data. Processing and forecasting huge time series data is a challenging task. This paper presents Approximation…

Time series prediction aims to predict future values to help stakeholders make proper strategic decisions. This problem is relevant in all industries and areas, ranging from financial data to demand to forecast. However, it remains…

Applications · Statistics 2020-09-09 Aleksandr Pletnev , Rodrigo Rivera-Castro , Evgeny Burnaev

Assessing the predictive power of both data and models holds paramount significance in time-series machine learning applications. Yet, preparing time series data accurately and employing an appropriate measure for predictive power seems to…

Statistical Finance · Quantitative Finance 2023-11-22 Martin Winistörfer , Ivan Zhdankin

Time series foundation models provide a universal solution for generating forecasts to support optimization problems in energy systems. Those foundation models are typically trained in a prediction-focused manner to maximize forecast…

Time series analysis is pivotal in domains like financial forecasting and biomedical monitoring, yet traditional methods are constrained by limited nonlinear feature representation and long-term dependency capture. The emergence of Large…

Machine Learning · Computer Science 2025-06-16 Feifei Shi , Xueyan Yin , Kang Wang , Wanyu Tu , Qifu Sun , Huansheng Ning

Advances in time-series forecasting are driving a shift from conventional machine learning models to foundation models (FMs) that are trained with generalized knowledge. However, existing FMs still perform poorly in the energy fields, such…

Machine Learning · Computer Science 2024-12-24 Rui Liang , Yang Deng , Donghua Xie , Fang He , Dan Wang

Time Series Forecasting (TSF) is used to predict the target variables at a future time point based on the learning from previous time points. To keep the problem tractable, learning methods use data from a fixed length window in the past as…

Machine Learning · Computer Science 2022-04-26 Jimeng Shi , Mahek Jain , Giri Narasimhan

This paper focuses on the application and optimization of LSTM model in financial risk prediction. The study starts with an overview of the architecture and algorithm foundation of LSTM, and then details the model training process and…

Machine Learning · Computer Science 2024-06-03 Ke Xu , Yu Cheng , Shiqing Long , Junjie Guo , Jue Xiao , Mengfang Sun

Large Language Models (LLMs) offer the potential for automatic time series analysis and reporting, which is a critical task across many domains, spanning healthcare, finance, climate, energy, and many more. In this paper, we propose a…

Computation and Language · Computer Science 2024-10-10 Elizabeth Fons , Rachneet Kaur , Soham Palande , Zhen Zeng , Tucker Balch , Manuela Veloso , Svitlana Vyetrenko

Inspired by recent advances in large language models, foundation models have been developed for zero-shot time series forecasting, enabling prediction on datasets unseen during pretraining. These large-scale models, trained on vast…

Machine Learning · Computer Science 2025-12-01 Morad Laglil , Emilie Devijver , Eric Gaussier , Bertrand Pracca

Stock exchanges are considered major players in financial sectors of many countries. Most Stockbrokers, who execute stock trade, use technical, fundamental or time series analysis in trying to predict stock prices, so as to advise clients.…

Statistical Finance · Quantitative Finance 2015-02-24 B. W. Wanjawa , L. Muchemi

Optimal decision-making in social settings is often based on forecasts from time series (TS) data. Recently, several approaches using deep neural networks (DNNs) such as recurrent neural networks (RNNs) have been introduced for TS…

Machine Learning · Computer Science 2020-11-17 Philippe Chatigny , Jean-Marc Patenaude , Shengrui Wang

Electricity price forecasting (EPF) is essential for energy markets stakeholders (e.g. grid operators, energy traders, policymakers) but remains challenging due to the inherent volatility and nonlinearity of price signals. Traditional…

Artificial Intelligence · Computer Science 2026-02-06 Kritchanat Ponyuenyong , Pengyu Tu , Jia Wei Tan , Wei Soon Cheong , Jamie Ng Suat Ling , Lianlian Jiang

Time-series forecasting is an essential task with wide real-world applications across domains. While recent advances in deep learning have enabled time-series forecasting models with accurate predictions, there remains considerable debate…

Machine Learning · Computer Science 2026-03-26 Zhiyuan Zhao , Juntong Ni , Shangqing Xu , Haoxin Liu , Wei Jin , B. Aditya Prakash

Time series reasoning is crucial to decision-making in diverse domains, including finance, energy usage, traffic, weather, and scientific discovery. While existing time series foundation models (TSFMs) can capture low-level dynamic patterns…

Computation and Language · Computer Science 2025-10-07 Fangxu Yu , Hongyu Zhao , Tianyi Zhou

We present a large scale benchmark of modern deep learning architectures for a financial time series prediction and position sizing task, with a primary focus on Sharpe ratio optimization. Evaluating linear models, recurrent networks,…

Trading and Market Microstructure · Quantitative Finance 2026-03-03 Adir Saly-Kaufmann , Kieran Wood , Jan Peter-Calliess , Stefan Zohren

Time series foundation models (TSFMs) are revolutionizing the forecasting landscape from specific dataset modeling to generalizable task evaluation. However, we contend that existing benchmarks exhibit common limitations in four dimensions:…