ABOUT VANGUARD LONG-TERM GOVERNMENT BOND ETF
The investment seeks to track the performance of a market-weighted government bond index with a long-term dollar-weighted average maturity.
The fund employs an indexing investment approach designed to track the performance of the Barclays U.S. Long Government Float Adjusted Index. This index includes fixed income securities issued by the U.S. Treasury and U.S. government agencies and instrumentalities, as well as corporate or dollar-denominated ...