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

Market
-0.8%
Sector
-2.3%
Subsector
+1.4%
α residual
-8.4%
Stock
-10.1%
Every position carries the market, its sector, and its subsector before any stock-specific move. The waterfall splits WMT'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=WMT&years=1