# What Are Kalshi and Polymarket?

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-11 19:29 UTC · Category: Business · Sources: 4 · Current Velocity: 10

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| USA Today | Best California Prediction Markets for September 2026: Trade at Polymarket, Kalshi & More | 2026-09-11 18:07 | [Source Link](https://news.google.com/rss/articles/CBMitgFBVV95cUxONnJTeVBpWVYyc1JTaDM0aU9MYzRlcUtrV2RRYVk4aW5MYk5jSkZya0pZeGx4eko3UDlXOWU3REhzOWNkb1BpNnZuRHhYdVIyQ3h2WUZoTVAwY01sQjcwRHJUUkMya0hXZFZCZ1hTMU5MTDRXWUVuQ0ZfdXZtck9mSWtvLTRid3JNdW9VdVM0UDRNR1B0OVBLR0J0NHJRRlpSMWFERHBselUyelg1VkNNZWFNRjVyUQ?oc=5) |
| Mile High Sports | How Does Polymarket Work: A Beginner’s Guide to Trading Sports on Polymarket | 2026-09-11 18:07 | [Source Link](https://news.google.com/rss/articles/CBMiekFVX3lxTE0zNjRKUzQxd1gzT01jLVdTSTYxYnBOd3M0NG5wQWV6MGRhQXdQa21nQzZnOVRUYkRMb05tbTFoQlVLMWJfdWZaVDJwc0Qydk1rSy1nMmM3RXhvM0l1Rk1DWVRtdlhqaFFiYi1PMVBNdHlnc21vT2I0ZHJ3?oc=5) |
| RotoWire | Georgia Prediction Market Apps: Best Prediction Markets in GA | 2026-09-11 18:07 | [Source Link](https://news.google.com/rss/articles/CBMingFBVV95cUxQbGdoTEhndlJKS3VJcmxkYWxRYnp4T1JvNW4wWWVkWVBPb0dBLWpyU1pRU1lsVUdwSDVGOGhIV1FrRG9iTHdHSWxfam1mYXVhSmhKdy00OWpVUkVxS3VFc1dCc3FLdXhqeG1LZnRKX29BOG1qeWw5cWxLMkZXbUUtSEtGZ2JDQkZPRk9qYjFmYVFZUlZMTWtfNTNlQlE1QQ?oc=5) |
| The New York Times | What Are Kalshi and Polymarket? | 2026-09-11 18:07 | [Source Link](https://news.google.com/rss/articles/CBMihgFBVV95cUxNSG50dzl4RW1pamVaWm52ajdPdy1nc0VPVHNMN3FjLTlZRWxxMko5Qy0yY0hsVW5QWlIxRVUxcjNPMVRUV1cxTk1ZLURGSTUtZnhoYXQta2dRZ25kQUJGSHozYUdvZTNRQUc1Q0hBbXRDMEYzRjFDbFNwZGJXc2hmYjFlWWs5QQ?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-11/what-are-kalshi-and-polymarket*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*