FINRA Regulatory Notice 21-03 â Fraud Prevention â Low Priced Securities On February 10 th, FINRA published Regulatory Notice 21-03 which focuses on fraud prevention for low-priced exchange-listed and OTC securities. The communication urges firms to review their policies and procedures relating to red flags of potential securities fraud involving low-priced securities. At the detailed data level, the notice references many of the concepts and data points OTC Markets Group has been proactively implementing over the course of the last decade to increase...