Glassnode has reported significant relative unrealized losses for Solana (SOL) and Ethereum (ETH) holders, with SOL at 54.8% and ETH at 16.6%. These figures, measured as a percentage of market capitalization, indicate the extent to which investors are holding assets at a loss. Bitcoin (BTC) holders are experiencing a lower unrealized loss of 11.9%. The high levels of unrealized losses in altcoins like SOL suggest a concentration of holdings at market peaks, where many investors purchased near cycle highs. This trend highlights the challenges faced by altcoin investors who bought during market surges and are now holding positions at a loss.