Kalshi, Polymarket Capture Nearly Half of NFL App Downloads (readwrite.com)

<div><img width="300" height="169" src="https://readwrite.com/wp-content/uploads/2026/09/kalshi-polymarket-nfl-app-downloads-300x169.webp" class="attachment-medium size-medium wp-post-image" alt="Editorial illustration of a smartphone and rising abstract download bars for NFL betting apps" style="width:100%;height:56.25%;max-width:1200px;margin-bottom: 15px;" decoding="async" fetchpriority="high" srcset="https://readwrite.com/wp-content/uploads/2026/09/kalshi-polymarket-nfl-app-downloads-300x169.webp 300w, https://readwrite.com/wp-content/uploads/2026/09/kalshi-polymarket-nfl-app-downloads-900x506.webp 900w, https://readwrite.com/wp-content/uploads/2026/09/kalshi-polymarket-nfl-app-downloads-260x146.webp 260w, https://readwrite.com/wp-content/uploads/2026/09/kalshi-polymarket-nfl-app-downloads.webp 1200w" sizes="(max-width: 300px) 100vw, 300px" /></div>
<p>Kalshi and Polymarket captured 47.5% of Week 2 NFL betting app downloads as sportsbooks lagged, while prediction-market volume surged.</p>
<p>The post <a href="https://readwrite.com/prediction-markets-nfl-downloads/">Kalshi, Polymarket Capture Nearly Half of NFL App Downloads</a> appeared first on <a href="https://readwrite.com">ReadWrite</a>.</p>