Volatility Targeting Overlay
Volatility Targeting Overlay — Scaling positions to a constant ex-ante volatility.
Definition
Volatility Targeting Overlay refers to scaling positions to a constant ex-ante volatility. Keep that definition fixed when comparing series, managers, or regimes — renaming the same tape does not create a new signal.
Why it matters
It shows up in factor research, attribution, and capacity debates — whether a return slice is skill, style, or fee drag. When scaling positions to a constant ex-ante volatility shifts, related hedges, limits, and narratives usually need an explicit update rather than a quiet assumption.
Case
Suppose a desk is positioned for the opposite of what volatility targeting overlay is saying. If scaling positions to a constant ex-ante volatility moves against that book, the first question is not “is the story clever?” but whether size, hedges, and stop logic still match the observation.
How to read it
Check definition stability across universes, costs, and regimes before treating a backtest as portable. Prefer a short written null hypothesis for Volatility Targeting Overlay: what would falsify the current reading in the next window?