Ethereum (ETH) declined by 17.08% in the past week, reaching as low as $2,104.On-chain analytics firm Glassnode suggests that Ethereum's key support level is at $1,890.Investors acquired approximately 1.82 million ETH in August 2023 at the major accumulation zone of $1,890.Glassnode also shows that investors are actively absorbing market supply as prices decline in anticipation of long-term gains.