Traders at Kalshi and Polymarket profited through in-person research, with Douglas Campbell earning over $800,000.
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Traders on the Kalshi and Polymarket platforms are profiting in the election prediction market through offline research and data analysis. Douglas Campbell, a former Democratic National Committee economics professor and election model analyst, has accumulated over $800,000 in profits on Kalshi under the username AlexanderHam, ranking sixth in the platform's profitability rankings. Trader David Bensoussan, on Polymarket under the username Scottilicious, has accumulated over $1.5 million in profits, holding a position of over $280,000 betting on a Democratic victory in the House of Representatives, with the market probability of that outcome rising to approximately 94%. (Source: Bloomberg)