# Polymarket US Records $8.7 Billion in September Contract Volume

> Polymarket US saw $8.7 billion in contract volume during September 2026, with sports dominating 99.4% of trading.
- Title: Polymarket US Records $8.7 Billion in September Contract…
- Summary: Polymarket US saw $8.7 billion in contract volume during September 2026, with sports dominating 99.4% of trading. Polymarket US recorded $8.7 billion in…
- Keywords: polymarket us, contract volume, sports contracts, september 2026, event contracts, commodity futures trading commission, crypto, finance, Polymarket, Records, Billion, September
- Source: TokenPost — https://tokenpost.com/news/investing/36396
- Published: 2026-10-21T06:02:07+00:00
- Read time: 1 min
- Topics: polymarket us, contract volume, sports contracts, september 2026, event contracts, commodity futures trading commission, crypto, finance
## Polymarket US Volume
Polymarket US logged about $8.7 billion in contract volume in September 2026.
## Sports Dominance
Sports contracts accounted for 99.4% of Polymarket US volume over the venue’s operating history.
## Contract Types
Combination contracts represented more than half of U.S. volume in the final full week of September.
## Key takeaway

Polymarket US recorded $8.7 billion in contract volume for September 2026, with sports accounting for 99.4% of trading activity.