Most people logically assume that penny stocks refer to stocks trading for less than $1. However, the SEC defines penny stocks as stocks trading for less than $5. Generally, penny stocks trade on the Pink Sheets or FINRA’s OTC Bulletin Board ( OTCBB ). Both exchanges should be approached with extreme caution, But a stock's share price doesn't really tell you too much (other than if it's around $5 or below and is, therefore, a penny stock). A stock trading for $800 per share can be undervalued and on A penny stock refers to a small company's stock that typically trades for less than $5 per share. Although some penny stocks trade on large exchanges such as the New York Stock Exchange (NYSE), most penny stocks trade via over the counter (OTC) transactions.