When will nuclear fusion be achieved? — Before 2030

54% chance

Yes54%

Buy Yes55¢57¢ after fees

No46%

Buy No48¢50¢ after fees

Listed on 1 venue

Chance over time

Yes price, by venue

Polymarket USCFTC-regulated

Deposit $10, get $25

Trading bonus for new sign-ups.

Sponsored · We may earn a commission · 18+ · Trade responsibly · 1-800-GAMBLER

Quiet market: no big moves or venue gaps in the last 24 hours.

1 venue

Chance

Best

Yes54%—55¢

55¢57¢ after fees

No46%—48¢

48¢50¢ after fees

Each share pays $1 if it’s right. Green marks the cheapest venue after fees; every price opens that venue’s market.

Kalshiat 55¢: exit costs ~2¢/contract on a 1-contract order, rounded up to 1¢

Kalshi

If nuclear fusion is achieved before Jan 1, 2030, then the market resolves to Yes.