Japanese Industrial Production Prel (Aug YY) 3.4% (Prev. 3.9%)

A modest deceleration in annual output terms, with no consensus provided against which to frame a surprise. Japanese industrial production is among the more volatile of the major activity series, and single prints, particularly in year-on-year form, have historically carried limited signal for the BoJ unless they confirm or break an established trend in the monthly sequence. The transmission channel for FX is indirect: the data matters to the extent it feeds the BoJ's read on the output gap and the durability of the manufacturing cycle, both of which sit upstream of its normalisation calculus. The distinction worth drawing is between export-facing sectors, which track global demand and the exchange rate, and domestic-facing output, which maps more closely to the wage-price loop the BoJ has flagged as its condition for further tightening. The tells are the ministry's own assessment language accompanying the release, the follow-up revisions, which for this series have historically been material, and the upcoming Tankan as the cross-check on corporate production plans. Against the dollar, releases of this size have tended to move USD/JPY only at the margin absent a sharp deviation from expectations.