In trading on Thursday, shares of the WisdomTree Emerging Markets Corporate Bond Fund ETF ( EMCB) entered into oversold territory, changing hands as low as $73.31 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 WisdomTree Emerging Markets Corporate Bond Fund, the RSI reading has hit 29.6 — by comparison, the RSI reading for the S&P 500 is currently 70.3. A bullish investor could look at EMCB's 29.6 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), EMCB's low point in its 52 week range is $72.71 per share, with $79.17 as the 52 week high point — that compares with a last trade of $73.30. WisdomTree Emerging Markets Corporate Bond Fund shares are currently trading off about 0.2% on the day.