Someone allegedly used a hairdryer to rig Polymarket weather bets - Engadget

It has been suggested that they snuck in with the appliance and blew it on a temperature sensor. We may receive a commission on purchases made from links. A hairdryer was allegedly used to rig Polymarket bets on the weather at Charles de Gaulle airport in Paris, according to a report by The Telegraph. French authorities note that the official temperature readings at the airport spiked twice in the past month, reaching levels much higher than expected. On both occasions, gamblers on Polymarket appear to have walked away with thousands upon thousands of dollars by betting on those temperature fluctuations. The gambling site relies on readings from temperature sensors, and the one at Charles de Gaulle airport is on a public road. This makes it easy to access. The operating theory is that someone snuck in and used a battery-powered hairdryer to bring the recorded temperature up well beyond the actual heat outside. Meanwhile, the Polymarket page indicated less than a one percent chance of the airport exceeding a particular temperature. Successful bets on these fluctuations netted an unknown user around $34,000. holy fuck, a hair dryer at a Paris airport broke Polymarket weather markets

Apr 23, 2026 → Apr 23, 2026