Risk decomposition
GOOGL
Market → sector → subsector → α-residual · 2026-04-10 → 2026-09-30

Market
+17.0%
Sector
-6.4%
Subsector
+0.8%
α residual
-3.4%
Stock
+8.0%
Every position carries the market, its sector, and its subsector before any stock-specific move. The waterfall splits GOOGL'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=GOOGL&years=1