Polymarket US hits $2.72 billion in weekly notional volume
- —Weekly volume rose from $60.8 million in January to $2.72 billion in October
- —Peak day on October 11 hit $698.8 million; 30-day total reached $11.39 billion
- —In September, Polymarket US volume surpassed its international platform for the first time
- —Growth was driven by NFL and NCAA football contracts and parlays launched in August
Why it matters: The surge shows CFTC-regulated prediction markets becoming a major US segment, intensifying competition with Kalshi.
Source: Crypto Briefing