BOJ Governor Ueda Faces Communication Test and Yen Braces as He Debuts

Investors have reduced bets on BOJ policy shift, inviting risk of shock action.
BOJ expected to keep rates steady but may struggle to convince markets YCC tweak isn't coming.
The BOJ meeting is the main event, with Ueda expected to maintain stimulus and dovish stance.
Changes to controversial YCC policy may wait, but guidance could be modified.
The yen and markets are likely to move significantly in response.