publications

2026

1. preprint

   

   ATLAS: Adaptive Trading with LLM Agents Through Dynamic Prompt Optimization and Multi-Agent Coordination

   Charidimos Papadakis, Angeliki Dimitriou, Giorgos Filandrianos, and 3 more authors

   2026

   Abs arXiv Bib PDF

   An adaptive prompt-optimization framework that improves coordination and decision quality among LLM-based trading agents in dynamic markets.

   @misc{papadakis2026atlasadaptivetradingllm,
     title = {{ATLAS}: Adaptive Trading with {LLM} Agents Through Dynamic Prompt Optimization and Multi-Agent Coordination},
     author = {Papadakis, Charidimos and Dimitriou, Angeliki and Filandrianos, Giorgos and Lymperaiou, Maria and Thomas, Konstantinos and Stamou, Giorgos},
     year = {2026},
     archiveprefix = {arXiv},
     primaryclass = {q-fin.TR},
     url = {https://arxiv.org/abs/2510.15949},
   }

2025

1. preprint

   

   StockSim: A Dual-Mode Order-Level Simulator for Evaluating Multi-Agent LLMs in Financial Markets

   Charidimos Papadakis, Giorgos Filandrianos, Angeliki Dimitriou, and 3 more authors

   2025

   Abs arXiv Bib PDF

   A high-fidelity, dual-mode simulation environment for reproducible evaluation of LLM agent strategies and behavior under realistic order flows.

   @misc{papadakis2025stocksimdualmodeorderlevelsimulator,
     title = {{StockSim}: A Dual-Mode Order-Level Simulator for Evaluating Multi-Agent {LLM}s in Financial Markets},
     author = {Papadakis, Charidimos and Filandrianos, Giorgos and Dimitriou, Angeliki and Lymperaiou, Maria and Thomas, Konstantinos and Stamou, Giorgos},
     year = {2025},
     archiveprefix = {arXiv},
     primaryclass = {cs.CE},
     url = {https://arxiv.org/abs/2507.09255},
   }