Decentralized Prediction Markets and Sports Books

Hamed Amini, Maxim Bichuch and Zachary Feinstein

Papers from arXiv.org

Abstract: Prediction markets allow traders to bet on potential future outcomes. These markets exist for weather, political, sports, and economic forecasting. Within this work we consider a decentralized framework for prediction markets using automated market makers (AMMs). Specifically, we construct a liquidity-based AMM structure for prediction markets that, under reasonable axioms on the underlying utility function, satisfy meaningful financial properties on the cost of betting and the resulting pricing oracle. Importantly, we study how liquidity can be pooled or withdrawn from the AMM and the resulting implications to the market behavior. In considering this decentralized framework, we additionally propose financially meaningful fees that can be collected for trading to compensate the liquidity providers for their vital market function.

Date: 2023-07, Revised 2025-01
New Economics Papers: this item is included in nep-mst, nep-spo and nep-upt
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