Recent on-chain data reveals a significant support zone for ETH just under $1,900, with 3.56 million ETH acquired in that range.Whale activity and institutional investor activity raise concerns for ETH's pricing and indicate a potential downturn.Last week, Ethereum spot ETFs had a net outflow of $178 million.ETH's price is at a critical point, with a strong support zone at $1,900, but weak demand below that level.