House Republicans have advanced a bill that would prohibit members of Congress and their family members from trading on certain Washington-focused prediction markets.

The House Administration Committee’s GOP members on Wednesday voted along party lines in favor of the legislation, which proposes to bar lawmakers, their spouses and their dependent children from participating on prediction markets that are based on the outcome of elections or government actions.

It marks the latest in Capitol Hill’s efforts to curb the threat of insider trading on the prediction markets — a risk that has burst into the spotlight in recent months after a series…

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