Kalshi & Polymarket roll out insider trading controls
Kalshi and Polymarket announced new compliance steps on March 24 as US senators move to ban sports contracts from prediction market platforms.
Kalshi’s insider trading controls are highly operational: the platform will pre-screen to block political candidates from trading their own elections. It also partnered with integrity firm IC360 to prevent athletes, coaches, and referees from trading on events they are involved in. Kalshi added a whistleblower button directly inside its trading interface to shift enforcement toward real-time monitoring.
Polymarket updated its rulebook across both its DeFi system and its CFTC-regulated US exchange. It codified three prohibited conduct categories and added explicit bans on spoofing, wash trading, and front-running. Polymarket also said it is working with Palantir to build surveillance systems for sports-focused markets.
The regulatory backdrop is a legislative push led by Sen. Adam Schiff and Sen. John Curtis. Their new “Prediction Markets Are Gambling Act” would bar sports betting contracts from registered prediction market platforms. The article notes this is the second bill Schiff introduced this month, following the “Death Bets Act” aimed at war and terrorism contracts. In 2026, six bills targeting prediction markets have been filed.
Market data referenced: Kalshi processed $10.44B in monthly volume in February, versus Polymarket’s $7.94B.
Trading takeaway: these insider trading controls may reduce near-term regulatory risk for prediction markets, but the broader legislative threat to sports contracts remains unresolved.
Neutral
Kalshi和Polymarket推出更强的“insider trading controls”，并强化反违规与监控（如预筛查、举报入口、交易规则硬性禁止、与Palantir合作），这通常有助于降低监管者对“市场不受控/被操纵”的直观担忧，因此对预测市场相关资产与交易情绪可能形成一定支撑。
但与此同时，核心冲突并未消失：参议员提出的“Prediction Markets Are Gambling Act”若通过，将直接限制体育类合约在预测市场平台上的可交易范围。这意味着即便合规能力提升，也可能无法完全抵消“业务空间被压缩”的立法风险。
历史类比：在加密与衍生品领域，当平台快速升级KYC/风控、提高可审计性时，短期往往能缓和监管冲击、提升交易者对平台可持续性的信心；但若监管文本仍指向关键产品线（例如特定类别合约/用途被禁），中长期市场更容易转向“预期回撤”，并出现波动。
因此该消息对整体加密市场更偏中性：短期可能利好预测市场的合规叙事与流动性预期；中长期仍取决于立法进展与体育合约能否保留，交易者可能继续对相关头寸进行情景化对冲（如缩小体育合约暴露、等待法案细节明朗）。