---
title: "Kalshi and Polymarket Process Over $44 Billion in Combined Trading Volume in 2025"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293593885.md"
description: "Kalshi and Polymarket processed over $44 billion in combined trading volume in 2025, according to NS3.AI. Their monthly trading volume rose to $24 billion as of April 2026, which is above the average monthly legal sports betting volume in the United States. Kalshi also reported $263.5 million in fee revenue last year."
datetime: "2026-07-23T09:44:59.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293593885.md)
  - [en](https://longbridge.com/en/news/293593885.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293593885.md)
generator: "portal-rs"
---

# Kalshi and Polymarket Process Over $44 Billion in Combined Trading Volume in 2025

Kalshi and Polymarket processed over $44 billion in combined trading volume in 2025, according to NS3.AI. Their monthly trading volume rose to $24 billion as of April 2026, which is above the average monthly legal sports betting volume in the United States. Kalshi also reported $263.5 million in fee revenue last year.

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**