SPY-VXX 30d Correlation

Rolling 30-day Pearson correlation of daily SPY and VXX returns. Normally strongly negative; readings near zero or positive can signal a regime change in equity-volatility dynamics.

Category: calculated. Derived metrics combine multiple data sources into single indicators. These are computed server-side so you get the interpreted signal without building the calculation yourself.

API: GET /api/metrics/spy-vxx-correlation-30d

Used in briefings: Cross-Asset Full Picture, Regime Check

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