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Katherine Mayo defends dissertation proposal

On July 17, 2022, Katherine Mayo presented and successfully defended her dissertation proposal titled "A Strategic Analysis of Economic and Technological Changes in Financial Networks Using Agent-Based Modeling." The dissertation committee…
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Machine Learning, Algorithmic Trading, and Manipulation

Columbia Blue Sky Blog post based on the report by Megan Shearer, Gabriel Rauterberg, and Michael Wellman.
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Megan Shearer defends dissertation

On June 27, 2022, Megan Shearer successfully defended her PhD dissertation titled, "Modeling Trading Strategies in Financial Markets with Data, Simulation, and Deep Reinforcement Learning." Congratulations, Dr. Shearer! We wish you a bright…

Solving Structured Hierarchical Games Using Differential Backward Induction

Z Li, F Jia, A Mate, S Jabbari, M Chakraborty, M Tambe, and Y Vorobeychik 38th Conference on Uncertainty in Artificial Intelligence (UAI), PMLR 180: pp. 1107–1117, August 2022 Previous version presented at ICLR Workshop on Gamification…

Stability Effects of Arbitrage in Exchange Traded Funds: An Agent-Based Model

M Shearer, D Byrd, TH Balch, and MP Wellman 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 49, pages 1–9, November 2021. Abstract An index-based exchange traded fund (ETF) with underlying securities that trade on…

Timing is Money: The Impact of Arrival Order in Beta-Bernoulli Prediction Markets

B Martin, S Kutty, and M Chakraborty 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 41, pages 1–9, November 2021. Abstract Prediction markets are incentive-based mechanisms for eliciting and combining the diffused,…

An Agent-Based Model of Strategic Adoption of Real-Time Payments

K Mayo, S Fozdar, and MP Wellman 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 45, pages 1–9, November 2021. Abstract Real-time payments (RTPs) allow consumers to receive funds before the completion of payment…

Spoofing the Limit Order Book: A Strategic Agent-Based Analysis

X Wang, C Hoang, Y Vorobeychik, and MP Wellman Games 2021 12(2) 46, May 2021. Abstract We present an agent-based model of manipulating prices in financial markets through spoofing: submitting spurious orders to mislead traders who learn from…

A Strategic Analysis of Portfolio Compression

K Mayo and MP Wellman 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 20, pages 1–8, November 2021. Extended abstract appeared in 20th International Conference on Autonomous Agents and Multiagent Systems (AAMAS),…

An Agent-Based Model of Financial Benchmark Manipulation

M Shearer, G Rauterberg, and MP Wellman ICML Workshop on Applications and Infrastructure for Multi-Agent Learning, June 2019 Abstract Financial benchmarks estimate market values or reference rates used in a wide variety of contexts, but are…