currency
USD/JPY
The dollar-yen exchange rate, useful for yen weakness and Japan-linked risk appetite.
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Time-series chart
USD/JPY
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Reader workflow
How USD/JPY connects to a real market read
This page does not stop at the latest value. Readers can check the observation window and source first, inspect direction and volatility on the chart, then use the guide and related signals to see whether the same pressure appears elsewhere.
Long-history series are stored as real provider observations. Index, FX, VIX, and ratio charts use historical backfill where providers expose it; Korean investor flow and margin-credit feeds expand as stable historical endpoints become available.
Interpretation guide
How to read USD/KRW as pressure on Korean equities
USD/KRW reflects foreign-flow pressure, import-cost pressure, dollar liquidity, and risk aversion in the Korean equity market. A rising rate means won weakness, which is important context for KOSPI large caps and foreign investor behavior.
What it means
A higher USD/KRW rate means the won is weaker and dollar preference is stronger. It can help some exporters, but it also raises FX-loss concerns for foreign investors holding Korean equities.
- USD/KRW strength with foreign selling warns of outflow pressure.
- USD/KRW weakness with foreign buying improves the large-cap flow backdrop.
- Sharp FX moves can reflect risk aversion before the equity index fully reacts.
Cross-check rules
Read FX alongside KOSPI, foreign flows, U.S. rates, the dollar, and credit risk. A rise driven by global dollar strength differs from a rise caused by Korea-specific equity outflows.
- Higher U.S. real rates and a stronger dollar point to global pressure.
- If Korea underperforms while USD/KRW jumps, check domestic flow stress.
- FX stability plus better breadth supports a cleaner risk-appetite recovery.
Limits
FX can move on policy comments, settlement flows, and overseas events. The trend and equity-market response matter more than one daily move.
- On sharp FX spikes, review position size and loss limits before adding exposure.
- Until the won stabilizes, read foreign-flow improvement conservatively.
- Exporters and domestic-demand groups have different sensitivity to FX moves.