Risk decomposition
AAPL
Market → sector → subsector → α-residual · 2026-01-09 → 2026-07-02

Market
+8.0%
Sector
-5.1%
Subsector
-1.6%
α residual
+18.0%
Stock
+19.2%
Every position carries the market, its sector, and its subsector before any stock-specific move. The waterfall splits AAPL's realized return into those benchmark layers; the α residual is what the three hedge layers do not explain.
source: RiskModels — GET /ticker-returns?ticker=AAPL&years=1