Shayne Coplan

Shayne Coplan is an American entrepreneur and technologist best known as the founder and chief executive officer of Polymarket, a cryptocurrency-based prediction market platform.

Shayne Coplan is an American entrepreneur and technologist best known as the founder and chief executive officer of Polymarket, a cryptocurrency-based prediction market platform. Born in 1998, he became widely known in the crypto industry after Polymarket grew into a major prediction market and he was reported to have become the world’s youngest self-made billionaire in 2025.

Early life and background

Shayne Coplan was born in 1998. Public profiles identify him as an American entrepreneur and technologist, and later reporting describes him as a New York-based crypto founder.

Founding of Polymarket

Coplan founded Polymarket in 2020 during the COVID-19 pandemic. The platform is a blockchain-based prediction market that lets users wager with cryptocurrency on the outcomes of real-world events.

Growth and recognition

Polymarket became widely known for its role in prediction markets and for drawing attention around major political and economic events. Coverage in 2025 reported that a large investment valued the company at $9 billion and made Coplan a billionaire.

Public profile

Coplan is publicly associated with crypto entrepreneurship and prediction markets. He has also been profiled in financial and technology media as one of the most prominent figures in the sector.