In trading on Tuesday, shares of the EGShares S&P Emerging Markets Domestic Demand ETF ( EMDD) entered into oversold territory, changing hands as low as $23.70 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 EGShares S&P Emerging Markets Domestic Demand, the RSI reading has hit 29.98 — by comparison, the RSI reading for the S&P 500 is currently 48.3. A bullish investor could look at EMDD's 29.98 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), EMDD's low point in its 52 week range is $20.05 per share, with $26.00 as the 52 week high point — that compares with a last trade of $23.70. EGShares S&P Emerging Markets Domestic Demand shares are currently trading down about 0.2% on the day.