Polymarket became a household name during the 2024 US presidential election, as its prediction markets consistently diverged from traditional polling — and ultimately proved more accurate. The platform allowed users to bet on election outcomes using USDC, with market prices reflecting real-time probability assessments. At peak, over $3.5 billion in cumulative trading volume flowed through Polymarket’s election markets, making it the most-watched prediction market in history.
The platform’s election markets became so influential that they were cited by major media outlets (Bloomberg, The Wall Street Journal, CNBC) alongside traditional polls. When traditional polls showed a toss-up, Polymarket’s markets showed a clear favorite — and the market turned out to be right. This validated the theoretical argument for prediction markets: aggregating the financial convictions of thousands of traders, each with skin in the game, produces more accurate forecasts than surveys of stated preferences.
Polymarket’s founder, Shayne Coplan, built the platform on Polygon (an Ethereum Layer 2), using Conditional Tokens Framework (CTF) for market resolution. The UX was deliberately simple — buy “Yes” or “No” shares at market prices, with shares paying $1 if your prediction is correct and $0 if wrong. The platform operated in a regulatory grey zone — US users were technically restricted (following a 2022 CFTC settlement), but enforcement was minimal.
The election success attracted massive attention and new users. Polymarket expanded into sports, crypto, pop culture, and geopolitics markets. The platform raised $70 million in funding and became the de facto home of onchain prediction markets. Competitors like Kalshi (the CFTC-regulated prediction exchange that fought for and won the right to list election contracts) and Azuro (a decentralized prediction market protocol) also benefited from the growing interest. The 2024 election proved prediction markets’ mainstream potential — the question is whether that interest sustains beyond election seasons.
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