In trading on Wednesday, shares of the iBonds Dec 2022 Term Muni Bond ETF ( IBMK) entered into oversold territory, changing hands as low as $26.01 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 iBonds Dec 2022 Term Muni Bond, the RSI reading has hit 29.6 — by comparison, the RSI reading for the S&P 500 is currently 62.6. A bullish investor could look at IBMK'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), IBMK's low point in its 52 week range is $25.29 per share, with $26.54 as the 52 week high point — that compares with a last trade of $26.03. iBonds Dec 2022 Term Muni Bond shares are currently trading off about 0.5% on the day.