France Probes Weather Data Tampering After Surge in Polymarket Bets
A contract page on the Polymarket website for bets on the high temperature in Paris on April 15.
Source: PolymarketFrance’s forecasting office flagged suspected tampering with weather sensors at the country’s largest airport and referred the case to police, after detecting unusual readings alongside heavy betting on a popular prediction market.
Automated temperature readings taken at Meteo France’s weather station at Charles de Gaulle International Airport spiked 4C and 5C unexpectedly in the evenings of April 6 and April 15, respectively, reaching the highest temperature recorded at the site on those days, data from the installation show.