<div><img width="300" height="167" src="https://readwrite.com/wp-content/uploads/2026/09/sportsbooks-retain-four-fifths-nfl-betting-300x167.webp" class="attachment-medium size-medium wp-post-image" alt="Editorial illustration of an NFL football balanced between traditional sportsbooks and prediction markets" style="width:100%;height:55.81%;max-width:1376px;margin-bottom: 15px;" decoding="async" fetchpriority="high" srcset="https://readwrite.com/wp-content/uploads/2026/09/sportsbooks-retain-four-fifths-nfl-betting-300x167.webp 300w, https://readwrite.com/wp-content/uploads/2026/09/sportsbooks-retain-four-fifths-nfl-betting-900x502.webp 900w, https://readwrite.com/wp-content/uploads/2026/09/sportsbooks-retain-four-fifths-nfl-betting-260x145.webp 260w, https://readwrite.com/wp-content/uploads/2026/09/sportsbooks-retain-four-fifths-nfl-betting.webp 1376w" sizes="(max-width: 300px) 100vw, 300px" /></div>
<p>Prediction markets are forecast to win about 20% of NFL betting this season, while sportsbooks retain the larger share of a $40.5 billion market.</p>
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