Kalshiは予測市場に関する政策立案者への働きかけを行うため、「Americans for Fair Markets」という新たな擁護団体を立ち上げた。この動きは、米下院監視委員会がインサイダー取引の懸念からKalshiとPolymarketに対する調査を開始した中で行われた。
下院監視委員会のジェームズ・カマー委員長は金曜日、PolymarketとKalshiの最高経営責任者（CEO）に対し、本人確認、地理的制限、疑わしい取引活動の監視に関する内部記録の提出を求める書簡を送付した。カマー氏は、政府職員が機密情報を利用して、これらのプラットフォーム上で政策や国家安全保障に関するイベントから利益を得ている可能性があるとの懸念を表明した。
X（旧Twitter）での初期の反応は、議会調査を受けたKalshiによる新ロビー団体の設立を伝える中立的なニュース報道が中心であり、ユーザーによる目立った追加のコメントは見られない。
🔴 Kalshi launches lobby group as Congress probes prediction market insider trading
— NewsTongue (@NewsTongueX) 2026年5月23日
Kalshi unveiled Americans for Fair Markets (AFM) on Friday, a "well-capitalized" advocacy group to lobby Capitol Hill on prediction market regulation. The group hired Taylor Budowich, former… pic.twitter.com/1BBbLh1ejo
Kalshi Debuts 'Fair Markets' Lobby Group as Congress Opens Insider Trading Probehttps://t.co/G8oax727J5
— Decrypt (@DecryptMedia) 2026年5月22日
KALSHI LAUNCHES LOBBY GROUP AMID PROBE
— REF (@The_Ref_io) 2026年5月22日
Americans for Fair Markets seeks legislative support following House Oversight Committee insider trading investigations into platforms.
> Decrypt
KALSHI LAUNCHES 'FAIR MARKETS' LOBBY GROUP AMID CONGRESS INSIDER-TRADING PROBE
— 🚨BDN NEWS WIRE🚨 (@BCDNewsBot) 2026年5月22日
Kalshi has launched Americans for Fair Markets, an advocacy group aimed at shaping how policymakers view prediction markets. The move comes as Congress initiates an investigation into potential insider trading within the sector. pic.twitter.com/xNYseuWHvx
— indexos.xyz (@indexosdotxyz) 2026年5月22日
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Prediction market platform Polymarket has partnered with blockchain analytics firm Chainalysis to monitor trading activity and detect potential insider trading. The collaboration introduces onchain tools to flag suspicious patterns amid rising regulatory scrutiny. Polymarket announced the move on Thursday.
Venture capital firm a16z has filed an 18-page letter backing the Commodity Futures Trading Commission in its disputes with states over prediction markets. The firm argues that federal law preempts state regulations on platforms like Kalshi and Polymarket. It claims state crackdowns undermine the CFTC's mandate for impartial market access.
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Rhode Island's attorney general has sued prediction market platforms Kalshi and Polymarket, prompting a countersuit from Kalshi. The legal actions challenge the platforms' ability to offer sports-related event contracts in the state.
Gamblers have placed nearly $9 million in bets on future measles cases in the US since January on platforms Kalshi and Polymarket. Researchers suggest these prediction markets offer accurate forecasts that could aid in modeling disease spread. The practice draws on the wisdom of crowds amid rising measles cases.
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India's market regulator has sent a show cause notice to six Capital Group foreign portfolio investors over alleged breaches of trade confidentiality. The action follows claims that sensitive order details were shared improperly, enabling front-running activities.