Altcoins could face significant losses of 70-90% by 2026 if they lack Digital Asset Treasuries (DATs) or Exchange-Traded Funds (ETFs), according to CryptoQuant CEO Ki Young Ju. As Bitcoin's dominance in the market grows, altcoins without these liquidity mechanisms are at risk of severe declines from their 2024 peaks. The altcoin market has already seen a sharp decline, with over $600 billion wiped out in the fourth quarter. While DATs and ETFs are viewed as potential stabilizers, they also carry the risk of exacerbating sell-offs during market downturns. The current altcoin season index stands at 24, indicating a strong position for Bitcoin.