Chen Xu
Other people with similar names: Chen Xu
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2026
FinChain: A Symbolic Benchmark for Verifiable Chain-of-Thought Financial Reasoning
Zhuohan Xie | Daniil Orel | Rushil Thareja | Dhruv Sahnan | Hachem Madmoun | Fan Zhang | Debopriyo Banerjee | Georgi Nenkov Georgiev | Xueqing Peng | Lingfei Qian | Jimin Huang | Jinyan Su | Aaryamonvikram Singh | Rui Xing | Rania Elbadry | Chen Xu | Haonan Li | Fajri Koto | Ivan Koychev | Tanmoy Chakraborty | Yuxia Wang | Salem Lahlou | Veselin Stoyanov | Sophia Ananiadou | Preslav Nakov
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Zhuohan Xie | Daniil Orel | Rushil Thareja | Dhruv Sahnan | Hachem Madmoun | Fan Zhang | Debopriyo Banerjee | Georgi Nenkov Georgiev | Xueqing Peng | Lingfei Qian | Jimin Huang | Jinyan Su | Aaryamonvikram Singh | Rui Xing | Rania Elbadry | Chen Xu | Haonan Li | Fajri Koto | Ivan Koychev | Tanmoy Chakraborty | Yuxia Wang | Salem Lahlou | Veselin Stoyanov | Sophia Ananiadou | Preslav Nakov
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Multi-step symbolic reasoning is essential for robust financial analysis; yet, current benchmarks largely overlook this capability. Existing datasets such as FinQA and ConvFinQA emphasize final numerical answers while neglecting the intermediate reasoning steps required for transparency and verification. To address this gap, we introduce FinChain, the first benchmark specifically designed for verifiable Chain-of-Thought evaluation in finance. FinChain spans 58 topics across 12 financial domains, each represented by parameterized symbolic templates with executable Python code that enable fully machine-verifiable reasoning and scalable, contamination-free data generation.To assess reasoning capacity, we propose ChainEval, a dynamic alignment measure that jointly evaluates both the final-answer correctness and the step-level reasoning consistency. Our evaluation of 26 leading LLMs reveals that even frontier LLMs exhibit clear limitations in symbolic financial reasoning, while domain-adapted and math-enhanced fine-tuned models can substantially narrow this gap.Overall, FinChain exposes persistent weaknesses in multi-step financial reasoning and provides a foundation for developing trustworthy, interpretable, and verifiable financial AI. This project is available at https://github.com/mbzuai-nlp/finchain.git.
All That Glisters Is Not Gold: A Benchmark for Reference-Free Counterfactual Financial Misinformation Detection
Yuechen Jiang | Zhiwei Liu | Yupeng Cao | Yueru He | Ziyang Xu | Chen Xu | Zhiyang Deng | Prayag Tiwari | Xi Chen | Alejandro Lopez-Lira | Jimin Huang | Junichi Tsujii | Sophia Ananiadou
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Yuechen Jiang | Zhiwei Liu | Yupeng Cao | Yueru He | Ziyang Xu | Chen Xu | Zhiyang Deng | Prayag Tiwari | Xi Chen | Alejandro Lopez-Lira | Jimin Huang | Junichi Tsujii | Sophia Ananiadou
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
We introduce RFC-Bench, a benchmark for evaluating large language models on financial misinformation under realistic news. RFC-Bench operates at the paragraph level and captures the contextual complexity of financial news where meaning emerges from dispersed cues. The benchmark defines two complementary tasks: reference-free misinformation detection and comparison-based diagnosis using paired original–perturbed inputs. Experiments reveal a consistent pattern: performance is substantially stronger when comparative context is available, while reference-free settings expose significant weaknesses, including unstable predictions and elevated invalid outputs. These results indicate that current models struggle to maintain coherent belief states without external grounding. By highlighting this gap, RFC-Bench provides a structured testbed for studying reference-free reasoning and advancing more reliable financial misinformation detection in real-world settings.
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Co-authors
- Sophia Ananiadou 2
- Jimin Huang 2
- Debopriyo Banerjee 1
- Yupeng Cao 1
- Tanmoy Chakraborty 1
- Xi Chen 1
- Zhiyang Deng 1
- Rania Elbadry 1
- Georgi Nenkov Georgiev 1
- Yueru He 1
- Yuechen Jiang 1
- Fajri Koto 1
- Ivan Koychev 1
- Salem Lahlou 1
- Haonan Li 1
- Zhiwei Liu 1
- Alejandro Lopez-Lira 1
- Hachem Madmoun 1
- Preslav Nakov 1
- Daniil Orel 1
- Xueqing Peng 1
- Lingfei Qian 1
- Dhruv Sahnan 1
- Aaryamonvikram Singh 1
- Veselin Stoyanov 1
- Jinyan Su 1
- Rushil Thareja 1
- Prayag Tiwari 1
- Jun’ichi Tsujii 1
- Yuxia Wang 1
- Zhuohan Xie 1
- Rui Xing 1
- Ziyang Xu 1
- Fan Zhang 1
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- ACL2