In trading on Tuesday, shares of the Emerging Markets Aggregate Bond ETF ( EMAG) entered into oversold territory, changing hands as low as $21.99 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 Emerging Markets Aggregate Bond, the RSI reading has hit 29.5 — by comparison, the RSI reading for the S&P 500 is currently 33.6. A bullish investor could look at EMAG's 29.5 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), EMAG's low point in its 52 week range is $21.99 per share, with $24.61 as the 52 week high point — that compares with a last trade of $21.99. Emerging Markets Aggregate Bond shares are currently trading off about 0.3% on the day.