Kalshi announced new market integrity measures on Tuesday, including a requirement for traders in certain markets to disclose their employer before placing bets, as scrutiny of insider trading on prediction market platforms grows.

The employment disclosure requirement applies to markets the company has flagged as carrying elevated insider trading or manipulation risk, Kalshi said. To comply with the requirement, affected traders must fill out an online form providing details about where they work. According to NBC News, the company does not plan to cross-check submitted employment information unless circumstances require an inquiry, and in some cases a trader’s workplace could disqualify them from participating in a given contract. One example the company cited: a Google employee seeking to trade on a Google-related market.

Alongside the employer requirement, Kalshi said it has built a risk scoring framework that evaluates each market across six dimensions before it is listed, including corporate event risk, outcome concentration, market importance, regulatory compatibility, non-traditional insider risk, and national security risk. Markets that score above a certain threshold will trigger the employment verification requirement. The company said it does not list markets on war, assassination, or violence, but acknowledged that some leadership and foreign policy markets can still present what it called “incidental national security concerns.”

Rounding out the new measures, Kalshi has embedded tip-submission features across all of its markets, giving traders a direct channel to report concerns to a surveillance team that operates continuously.

The changes follow a recommendation from the company’s independent Surveillance Audit Committee, which completed its first report after reviewing Kalshi’s monitoring algorithms, policies, and market-level risks. The company said the committee will deliver quarterly reports going forward.

Robert DeNault, Kalshi’s head of enforcement, said in a statement that the measures are intended to keep the platform at the front of the industry on market integrity among federally regulated prediction markets.

Kalshi also disclosed enforcement figures for the first quarter: more than 150 investigations opened, more than 100 potential insider trades blocked by screening tools, more than 20 referrals to law enforcement, and five disciplinary actions taken by the company.

The announcements come as congressional scrutiny of prediction markets has intensified, with Rep. James Comer, the Kentucky Republican who chairs the House Committee on Oversight and Government Reform, opening a probe into both Kalshi and rival platform Polymarket over insider trading concerns. A Google worker was charged with fraud by federal prosecutors in May after allegedly exploiting confidential company information to profit on Polymarket, according to CNBC. More than 10 bills targeting prediction markets have been introduced in Congress this year.