Risk decomposition
XOM
Market → sector → subsector → α-residual · 2026-05-01 → 2026-10-21

Market
-4.8%
Sector
+15.4%
Subsector
+1.6%
α residual
+5.7%
Stock
+18.0%
Every position carries the market, its sector, and its subsector before any stock-specific move. The waterfall splits XOM'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=XOM&years=1