S&P/ASX 200 vs Nikkei 225 Correlation 2026
Cross-market correlation analysis between S&P/ASX 200 (Australia) and Nikkei 225 (Japan). Research-only. Not investment advice.
Last updated: Apr 8, 2026 · ASX200: 8,952 · NKY: 55,895
QUICK ANSWER · AS OF Apr 8, 2026
What is the ASX200 vs NKY correlation in 2026?
The ASX200-NKY 30D correlation is 0.55 (5Y baseline: 0.52). S&P/ASX 200 at 8,952 (YTD: +1.5%), Nikkei 225 at 55,895 (YTD: +8.2%). Regime: moderate correlation.
30D Corr
0.55
5Y Baseline
0.52
ASX200
8,952
NKY
55,895
Australia-Japan correlation is moderate. Both are Asia-Pacific developed markets with significant trade linkages (iron ore, LNG). Japan is Australia's second-largest export market.
Correlation Dashboard
S&P/ASX 200 (Australia)
8,952
YTD: +1.5%
Nikkei 225 (Japan)
55,895
YTD: +8.2%
30D Correlation
0.55
90D Correlation
0.50
1Y Correlation
0.48
5Y Baseline
0.52
Regime Analysis
Australia-Japan correlation is moderate. Both are Asia-Pacific developed markets with significant trade linkages (iron ore, LNG). Japan is Australia's second-largest export market.
Divergence Score
Score
10/100
Signal
LOW
Deviation
0.03
Score = |30D corr − 5Y baseline| / 0.30 × 100, capped at 100. Higher = greater deviation from historical norm.
Data Freshness & Timezone
Each index is observed at its local market close. Cross-timezone correlations align returns to the later-closing market's trading day.
| Index | Market | Close Time (Local) | Timezone | As Of |
|---|---|---|---|---|
| ASX200 | Australia | 16:00 | AEST (+10:00) | 2026-04-08 |
| NKY | Japan | 15:00 | JST (+09:00) | 2026-04-09 |
Methodology
Correlations are Pearson rolling correlations of daily log returns, computed over the specified window (30D, 90D, 1Y). Returns are calculated from local-currency index levels at each market's official close time.
For cross-timezone pairs (e.g., ASX200 in AEST vs NKY in JST), returns are aligned to the later-closing market's trading day. This means NKY's return on day T is paired with ASX200's return on the same calendar day.
Regime classification: high (≥0.60), moderate (0.35–0.59), low (0.15–0.34), negative (<0.15). The 5-year baseline represents the average 90D rolling correlation over 2021–2025.
Known Limitations:
- Timezone misalignment: ASX200 (AEST) and NKY (JST) close at different times. Asian markets close before European/US markets open, so "same-day" correlations reflect lagged information flow.
- Holiday calendars: Different national holidays create gaps in return series. Missing days are excluded from correlation calculations.
- Currency effects: Correlations are computed in local currency. FX movements (e.g., USD/JPY, EUR/USD) are embedded in the correlation but not isolated.
- Regime dependency: Correlations are backward-looking and can shift rapidly during crises. The 30D window captures recent dynamics but may not reflect structural relationships.
v0.1-beta · Research use only — not investment advice.
Frequently Asked Questions
What is the ASX200-NKY correlation in 2026? ▾
The 30-day rolling correlation between S&P/ASX 200 and Nikkei 225 is 0.55 as of Apr 8, 2026. The 5-year baseline is 0.52. Current regime: moderate correlation.
Why does the ASX200-NKY correlation matter? ▾
The correlation between S&P/ASX 200 (Australia) and Nikkei 225 (Japan) measures how closely these markets move together. High correlation means diversification benefits are limited; low correlation means the markets respond to different drivers, offering potential diversification. Changes in correlation can signal regime shifts in global capital flows.
Is this a trading signal? ▾
No. This page provides research-only cross-market correlation analysis. It does not constitute investment advice or a recommendation to trade.
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📎 Cite This Data ▾
APA 7th Edition
AhaSignals. (2026). ASX200-NKY Correlation. Retrieved April 18, 2026, from https://ahasignals.com/equity-correlation/asx-nk225/
Methodology: v0.1-beta
Data as-of: Apr 8, 2026
Research purposes only. Not investment advice. All index inputs from free, public, clickable sources.
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