Nobel Institute probes peace prize leak after Polymarket surge
María Corina Machado’s odds surged on online betting site hours before official announcement
María Corina Machado’s odds surged on online betting site hours before official announcement

Win dashes hopes of Donald Trump after US president repeatedly claimed he should be awarded prize

High rate of winning wagers likely to add to concerns that sensitive information can leak on prediction markets

Scion of industrialist has remade herself into grassroots campaigner bent on unseating President Nicolás Maduro

Insider bets, low liquidity and regulatory gaps complicate efforts to turn wagers into financial tools

The future, like the recent past, will be shaped in the public realm

This year, the world’s highest-profile celebration of scientific excellence wants to celebrate academic freedom