This is a powerful contrarian indicator. Massive volume extremes (whether buying or selling) frequently coincide with moments when retail traders are driven by emotion rather than logic. When you see massive green bars at market tops or huge red bars at bottoms, institutions are often providing liquidity to panicked retail money.

Ethereum ETF flows reveal the collective psychology of major players, but more importantly, they show you when the crowd is wrong. When retail investors pile into ETH ETFs during media hype cycles, they're usually buying near tops. When they panic-sell during market fear, they're often capitulating near bottoms. Smart money recognizes these patterns and positions accordingly.