In trading on Friday, shares of the iShares Core Long-Term U.S. Bond ETF ( ILTB) crossed below their 200 day moving average of $63.52, changing hands as low as $63.21 per share. iShares Core Long-Term U.S. Bond shares are currently trading down about 1.7% on the day. The chart below shows the one year performance of ILTB shares, versus its 200 day moving average:Looking at the chart above, ILTB's low point in its 52 week range is $59.91 per share, with $66.49 as the 52 week high point — that compares with a last trade of $63.32.