TOKYO, Oct 22 (Reuters) - Yields on Japanese government bonds were little changed on Thursday as traders avoided making big bets due to uncertainty over U.S. economic stimulus and caution ahead of U.S. presidential election on Nov. 3.
An auction of six-month bills earlier on Thursday saw weak demand, which raised concerns about investor appetite for fixed-income assets around the end of the year and next year in March, dealers said.
Investors are also monitoring a steepening in the U.S. Treasury yield curve but are reluctant to make big moves before a debate between Republican U.S. President Donald Trump and Democrat challenger Joe Biden later on Thursday.
Benchmark 10-year JGB futures fell 0.04 point to 151.93, with a trading volume of 16,536 lots.
The 10-year JGB yield was flat at 0.030%. The 20-year JGB yield was flat at 0.405%.
The 30-year JGB yield rose 1 basis point to 0.635%.
At the very long end of the curve, the 40-year JGB yield rose 1.5 basis points to 0.665%.
The five-year yield was flat at minus 0.105%.
At the short end, the two-year JGB yield was flat at minus 0.135%. (Reporting by the Tokyo markets team; Editing by Aditya Soni)
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