---
symbol: "JP225"
name: "Nikkei 225"
date: 2026-09-11
change_pct: -0.8536472618570681
direction: "down"
event_type: "macro_print"
url: "https://perplo.app/why/JP225/2026-09-11"
updated_at: 2026-09-11T11:06:38.781Z
---

# Why Nikkei 225 (JP225) fell 0.85% on September 11, 2026

Nikkei 225 (JP225) fell 0.85% on September 11, 2026 — Hot Japan PPI raises rate-hike odds, pressures equities.

## What happened

The Nikkei 225 fell 0.9% after Japan's August producer price index surged 7.6% year-over-year (above expectations of 7.4%), reinforcing the case for earlier Bank of Japan rate hikes.

## Why it moved

Hot wholesale inflation harddens the BoJ's tightening bias, raising odds of rate hikes that compress equity multiples and unwind the cheap yen carry trade that had funded Japanese equity rallies, creating a double…

## Why it matters

The Japan (Yen & Equities) theme is stalling as BoJ tightening has capped both yen strength and equity reflexivity over three months; the PPI print signals rate-hike expectations are peaking, nearing the terminal point…

## What would break the thesis

If the BoJ signals patience at its next meeting or subsequent consumer inflation cools, the near-term tightening path will soften and yen carry trades will stabilize, supporting equities.

## Sources

- [Japan August PPI surges +7.6% y/y (expected +7.4%, prior +7.2%)](https://investinglive.com/news/japan-august-ppi-surges-7-6-y-y-expected-7-4-prior-7-2/) — ForexLive
- [Japan wholesale inflation stays hot in August, cements case for BOJ hike](https://investinglive.com/news/japan-wholesale-inflation-stays-hot-in-august-cements-case-for-boj-hike/) — ForexLive
- [Nikkei, Kospi fall as US bond yields and inflation data spook markets](https://investinglive.com/stock-market-update/nikkei-kospi-fall-as-us-bond-yields-and-inflation-data-spook-markets/) — ForexLive

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