Established but not at scale. Slightly wider spreads.
$1B – $10B
Mainstream. Tight spreads, deep liquidity.
> $100B
Mega-fund. SPY, VOO, IVV.
How IndexAlpha uses AUM (Assets Under Management)
AUM is the headline metric on every ETF Fundamentals card. Higher AUM = better tracking, tighter spreads, longer expected fund life.
See it live
The AUM (Assets Under Management) metric shows up on every IndexAlpha research page. See it now on SPY — or research any stock to view its AUM (Assets Under Management).