In trading on Monday, shares of the iShares MSCI Frontier 100 ETF ( FM) entered into oversold territory, changing hands as low as $29.00 per share. We define oversold territory using the Relative Strength Index, or RSI, which is a technical analysis indicator used to measure momentum on a scale of zero to 100. A stock is considered to be oversold if the RSI reading falls below 30.In the case of iShares MSCI Frontier 100, the RSI reading has hit 26.6 — by comparison, the RSI reading for the S&P 500 is currently 35.3. A bullish investor could look at FM's 26.6 reading as a sign that the recent heavy selling is in the process of exhausting itself, and begin to look for entry point opportunities on the buy side. Looking at a chart of one year performance (below), FM's low point in its 52 week range is $26.04 per share, with $32.74 as the 52 week high point — that compares with a last trade of $29.00. iShares MSCI Frontier 100 shares are currently trading off about 4% on the day.