Library/Why Prediction Markets Are Hard to Regulate
RegulationAnalysis

Why Prediction Markets Are Hard to Regulate

Michael Li·April 30, 2026·Substack
Prediction markets fail under any single regulatory label, so regulators need four dimensions to classify them

Why It's Worth Reading

A formal comment to the CFTC's proposed rulemaking on prediction markets, submitted by an HKS researcher. Proposes a four-dimensional framework for classifying event contracts (information structure, manipulation economics, social utility, repugnance), reframes insider trading into three distinct patterns (outcome influence, duty breach, information advantage), and analyzes resolution integrity through three documented Polymarket/Kalshi case studies.

Extensive technical background assumed

Concepts

Platforms mentioned: Polymarket, Kalshi, Coinbase

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