As they say, it would be funny if it were not so sad - the bond market does not offer anything interesting. However, as someone manages to squeeze the juice from a rotten apple - Pacific Investment Management, the largest bond fund in the world, and the Chinese authorities are actively buying Japanese gosbondy negative yield - based on AMarkets.
Investors use Japanese JGB traders just for the legalization of capital. For quite a long time there is a strong buzz around the dollar (in the financial space and ZIRP NIRP American "green paper" - just a gift). For lenders dollar 3-month Japanese bonds at the rate of minus 0.24% - a tool that allows you to make a better deal swap exchange rates and as a result get a positive return. Of PIMCO, in particular, I bought a lot of dollars in recent years and is actively using swaps with Japanese bonds.
Pool Investment Fund - Foreign Bond Fund - which protects capital from currency fluctuations, bought Japanese bonds in the first quarter, a record amount. Same story with China - talking about this reporting data of the Ministry of Finance of Japan. Short-term bonds among investors today - the most convenient and safe mechanism to hedge foreign currency transactions.