予測市場取引高(推定手数料収入)[スポーツ対取引高比率] 9月18日(木): 1. @Polymarket: $47M ($0) [--*] 2. @Kalshi: $43M ($533k) [58%] 3. @Novig: $9.4M ($0) [100%] 4. @cryptocom: $3.8M ($76k) [99%] 5. @SX_Bet: $1.4M ($0) [100%] 6. @ForecastEx: $292k ($2,920) [0%]