Data
Kalshi Hits Record $3.4B Week with March Madness as Polymarket Tallies $2.5B
Kalshi posted a new record $3.40 billion notional volume week as Polymarket's sports volume surged 32% week over week with NCAA basketball tournaments in full...
Weekly and monthly breakdowns of trading volume across major prediction market platforms. Each report tracks dollar volumes, market share shifts, and emerging trends across Kalshi, Polymarket, and other platforms with original data and analysis.