JGB have plunged, Futures halted:

Osaka Exchange halts JGB futures trade - limit down

There is no halt in the physical JGB market though where the slamming has continued.

The Bank of Japan has stepped in to stem the losses, or at least slow them.

  • offers to buy up to JPY 100bn in 1-3yr JGBs
  • JPY 100bn in 3-5yr JGBs
  • JPY 300bn in 5-10yr JGBs
  • JPY 100bn in 10-25yr JGBs