Risk decomposition
WMT
Market → sector → subsector → α-residual · 2026-04-22 → 2026-10-12

Market
-0.6%
Sector
-4.2%
Subsector
+0.0%
α residual
-7.9%
Stock
-12.7%
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