The dominant macro driver overnight was hotter-than-expected US September CPI data — core inflation printed +0.3% m/m against a +0.2% consensus, with headline running at +3.7% y/y versus the +3.6% forecast — which has materially repriced Fed expectations, with markets now assigning roughly 37–47% odds of an October FOMC hike and higher probability for December. The 10-year Treasury yield sits at 5.21% and the 30-year at 5.56%, even after modest overnight declines of 3–4 basis points, keeping the long end of the curve at levels that continue to pressure risk multiples globally; the 2-year at 4.79% reflects a market still pricing meaningful near-term tightening risk. The VIX surged 10.48% to 16.87, signalling a meaningful shift in near-term hedging demand that is not yet at stress levels but is directionally significant ahead of tonight's US PPI and Retail Sales releases.
For Asia-Pacific investors, the transmission channels are clear and concentrated. The USD/JPY is anchored at 158.32 — unmoved on the day — reflecting the ongoing policy divergence between a Fed still leaning hawkish and a BoJ widely expected to stand pat at its October 30 meeting (market odds for an October hike have collapsed to ~10%, with December at ~88%). The Nikkei VIX at 30.41 signals elevated near-term volatility in Japanese equities even as the yen's stability provides some buffer for exporters. In Korea, the KOSPI's 5.46% selloff — the sharpest in the region — concentrated the pain in the semiconductor complex, where Samsung Electronics and SK Hynix face a dual headwind of higher US rates compressing growth multiples and the structural competitive threat from China's CXMT. Commodity-sensitive markets face cross-asset pressure from metals weakness — copper down 0.94%, aluminium down 1.76%, silver down 5.82% — which is directly relevant to Australian materials names, while elevated crude (Brent at $106.01/bbl, WTI at $95.11/bbl) provides a partial offset for energy-exposed plays across the region.