Tag: Nasdaq

How Nasdaq watches for insider trading – MarketWatch

The MarketWatch team reviewed 387,260 surveillance alerts in 2015, resulting in 689 referrals to Finra for further review and drill-down on the activity at the brokerage firm level. Finra has its own proprietary market surveillance software, called Sonar, that it uses to identify activity for review. That surveillance is supplemented by the referrals and tips from customers, the public or…

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