credit
Credit Risk: HY OAS / IG OAS
High-yield credit spread divided by investment-grade spread, a ratio for lower-quality credit stress.
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Credit Risk: HY OAS / IG OAS
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How Credit Risk: HY OAS / IG OAS 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 HY OAS / IG OAS as a credit-risk signal
Credit Risk: HY OAS / IG OAS divides the U.S. high-yield option-adjusted spread by the investment-grade option-adjusted spread. It shows whether riskier corporate credit is weakening faster than higher-quality credit.
What it means
A rising ratio means high-yield credit risk is widening relative to investment-grade risk. That often reflects tighter liquidity, slower growth, default concern, or a broader move away from risky assets.
- The 2.5-3.5x area is a more normal range where direction and speed matter most.
- Above 4x suggests lower-quality credit is clearly underperforming higher-quality credit.
- Above 5x points to credit stress and deserves a more conservative risk posture.
Interpretation rules
Credit can lag equities, but once it deteriorates it can pressure funding conditions and risk-asset valuations. If equities hold up while this ratio keeps rising, internal market risk is building.
- A rising ratio with a falling S&P 500 and rising VIX confirms a stronger risk-off backdrop.
- A falling ratio with improving equity breadth supports a healthier risk-appetite recovery.
- If both HY and IG spreads rise but the ratio also rises, lower-quality stress is leading.
How to respond
Use the ratio to size aggressive equity exposure, high-beta sectors, and leverage. Even if equity charts look resilient, worsening credit argues for tighter loss limits and more selective risk taking.
- Above 4x, re-check cyclical stocks and highly levered companies.
- Above 5x and still rising, reduce new leverage and avoid forced upside chasing.
- When the ratio turns lower and breadth improves, start rebuilding a risk-on watchlist.
Related views
Related indicators and radar
S&P 500
The broad large-cap benchmark for U.S. equity conditions.
Compares credit stress with the broad U.S. equity trend.
VIX Index
The U.S. equity volatility gauge for global risk aversion.
Checks whether credit stress agrees with volatility stress.
Cboe Put/Call Ratio
A U.S. options sentiment gauge comparing put volume with call volume.
Pairs credit stress with options hedging demand.
FINRA Margin Debt
Customer securities margin debit balances, a U.S. leverage proxy.
Links credit stress with leverage pressure.