September 10-year JGB futures were down 0.03 point at 153.66.

Overall market movements were limited as a wait-and-watch mood ensued ahead of monetary policy decisions by the European Central Bank (ECB) and the U.S. Federal Reserve.

The five-year JGB yield was up half a basis point at minus 0.235%.

The 10-year yield was unchanged at minus 0.150%.

The ECB holds a policy meeting on Thursday and the central bank is expected to cut interest rates, or at least pave the way for easing in the near future.

The Fed is seen lowering rates by 25 basis points at its July 30-31 meeting.

Japan's Nikkei was up 0.5% following a news report that U.S. trade negotiators will meet Chinese counterparts in Shanghai next week.