Bitcoin Dominance Breaks 60.66% as Harvard Exits $87M ETH Position

Bitcoin dominance has reasserted control over the crypto market, breaking cleanly above 60.66% for the first time since September 2025. This milestone matters because it signals a structural shift in institutional allocation away from diversified altcoin exposure and back toward Bitcoin's more defensive, established narrative. The move has been amplified by several high-profile institutional exits from Ethereum and layer-one alternatives, most notably Harvard University's decision to liquidate its entire $87M Ethereum position after just three months of holding.

Harvard's exit is particularly telling because it came after the university had positioned itself as a crypto-native institution willing to take tactical exposure. The three-month timeframe suggests disappointment with Ethereum's relative performance against Bitcoin, or a broader reassessment of altcoin risk-reward during periods of macro uncertainty. The broader Altseason Index, a metric that tracks sentiment-weighted outperformance of altcoins versus Bitcoin, has collapsed to 39 of 100, the lowest level in months. This means that on a risk-adjusted basis, altcoins are not currently outperforming, contradicting the narrative of broad-based crypto strength.

The dominance shift reflects a flight to safety within crypto itself. Bitcoin's established store-of-value narrative and network effects are proving more resilient during geopolitical stress (Iran war) and regulatory uncertainty (SEC crackdowns on cross-border brokers). If Bitcoin dominance continues to climb toward 65%+, it will signal that retail and institutional appetite for speculative altcoins has genuinely dried up, and that the next crypto cycle may depend entirely on macro risk-on sentiment toward equities and risk assets rather than on crypto-native growth narratives.