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Author

Yiyan Qi

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Preprint Sep 2026

Hierarchical Multi-Task Learning with Liquidity-Aware Signals for Stock Forecasting

Stock price forecasting is a long-standing challenge in computational finance, driven by the inherent randomness of markets and complex temporal patterns. While recent deep-learning models have raised forecasting accuracy by jointly modeling inter-stock and temporal price dynamics, they conflate inter-stock relationshi...

Heng-Yi Yang, Si-Da Lin, Yi-Yan Qi et al. · 0 citations
Review Aug 2026

Agentic Quantitative Trading: A Survey of Workflows, Systems, and Evaluation

Quantitative trading is moving from isolated predictive models toward agentic workflows that combine reasoning, tool use, memory, and feedback. This survey reviews agentic quantitative trading across five stages: factor mining, signal discovery, portfolio construction, order execution, and risk management. We further e...

Feng-Rui Hua, Heng-Yi Yang, Xinqing Hao et al. · 1 citation
Jul 2026

Budget-Aware LLM Discovery via Cost-Calibrated Frontier Utility

CostAda is introduced, a cost-calibrated adaptive controller built around a cost-calibrated frontier utility that reaches the strongest baseline's full-budget quality with at most half the budget on twelve of sixteen benchmark--backbone pairs while achieving the strongest mean final quality on all eight benchmarks unde...

Yansen Zhang, Yilu Liu, Tianyu Liu et al. · 0 citations

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