Japanese Overtime Pay (Aug YY) 5.20% (Prev. 4.50%)

Overtime pay sits in the second tier of Japanese labour statistics but is watched as a coincident gauge of hours worked and household income growth, and a re-acceleration of the year-on-year pace fits the pattern that has historically mattered for the BoJ: sustained momentum in nominal earnings is the precondition the bank has set for normalising policy, so prints of this kind tend to be read through the spring wage negotiation cycle rather than in isolation. The transmission channel runs from earnings to services inflation expectations and then to the policy path, which is why the yen and front-end JGBs respond more to the wage complex than to the headline activity data. The distinction worth drawing is between overtime pay, which is cyclical and volatile, and base or scheduled pay, which is the stickier component the BoJ treats as the true signal; an overtime beat without matching scheduled-pay momentum has on past occasions been discounted. The follow-ons are the broader monthly labour cash earnings release, the shunto preliminary results, and any BoJ commentary tying wage breadth to the timing of the next move. As a single component print, the signal is supportive but not decisive.