What a fake poll reveals about worries around prediction markets and the midterms

While a stunt involving fake polls may not have been an effort to rig prediction markets, concerns are growing ahead of the midterms about other attempts to influence the betting sites.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/8436x5624+0+0/resize/8436x5624!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F7c%2F87%2F1f70552e419597d86f744f4353d8%2Fap26106744658809.jpg' alt='The prediction market app Kalshi is displayed on a mobile phone Thursday, April 16, 2026, in Chicago.'/><p>While a stunt involving fake polls may not have been an effort to rig prediction markets, concerns are growing ahead of the midterms about other attempts to influence the betting sites.</p><p>(Image credit: Erin Hooley)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5945290' />