So many investors are scrambling to buy I Bonds, which pay a 9.62% interest rate if purchased by Oct. 28, that the Treasury Department said it cannot guarantee orders made before the deadline will be processed in time.
The government’s TreasuryDirect site, the only place investors can directly purchase securities such as I Bonds and Treasury bills, this week became one of the most visited federal sites on the web, officials said, and has experienced intermittent outages.