2026-02-01TransactionsSECONDARYKalshi reported opening 200 investigations into insider trading in prediction markets in past year, resulting in account freezes and fines
2026-01-01TransactionsPRIMARYKalshi opened 200 investigations into insider trading in past year, resulting in account freezes, trader bans, and fines
2026-01-01TransactionsPRIMARYKalshi achieved $11 billion valuation while Polymarket reached $9 billion valuation as of 2026
2025-12-31TransactionsPRIMARYPrediction markets handled more than $40 billion in bets in 2025, quadrupling market size to $63.5 billion valuation
