In trading on Monday, shares of the iShares MSCI Japan Minimum Volatility ETF ( JPMV) entered into oversold territory, changing hands as low as $56.2853 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 Japan Minimum Volatility, the RSI reading has hit 28.6 — by comparison, the RSI reading for the S&P 500 is currently 40.3. A bullish investor could look at JPMV's 28.6 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), JPMV's low point in its 52 week range is $48.52 per share, with $59.66 as the 52 week high point — that compares with a last trade of $56.29. iShares MSCI Japan Minimum Volatility shares are currently trading down about 1% on the day.