The BOJ usually announce decisions between 0230 and 0330 GMT.
Under Bank of Japan Governor Ueda its been usually earlier in that window than later.
Today we've just ticked past 0330 GMT. The perception on this is that the longer they take, the more they have to dscisuss and the chance of a more significant change increases.
The latest chatter was of a 15bp rate hike:
The longer the wait goes on, the more likely that seems.
