Core Insights - US spot crypto exchange-traded funds (ETFs) experienced significant inflows of nearly $670 million on the first trading day of 2026, indicating a renewed investor interest after a slow end to 2025 [1][8] Group 1: Bitcoin ETFs Performance - Spot Bitcoin ETFs led the inflows with $471 million, with BlackRock's iShares Bitcoin Trust (IBIT) capturing approximately $287 million [2] - Fidelity's Wise Origin Bitcoin Fund (FBTC) attracted $88 million, while the Bitwise Bitcoin ETF (BITB) recorded inflows of $41.5 million [2] - Grayscale's converted Bitcoin Trust (GBTC) and Franklin Templeton's EZBC also saw positive inflows of $15 million and $13 million, respectively [3] Group 2: Market Trends and Investor Behavior - The collective inflow of $670 million represents the second-highest daily inflow since November 11, surpassing the previous peak of $457 million on December 17 [4] - This surge suggests that institutional investors are reallocating capital following a period of tax-loss harvesting and withdrawals in late December [4] Group 3: Ethereum and Altcoins Performance - Ethereum funds reported total net inflows of $174 million, with the Grayscale Ethereum Trust (ETHE) leading at $53.69 million [5] - Other notable inflows included $50 million for the Grayscale Ethereum Mini Trust and $47 million for BlackRock's iShares Ethereum Trust (ETHA) [5] - Investment products tracking smaller market-cap assets also posted gains, indicating broader market participation [6] Group 4: Broader Market Sentiment - Funds tied to XRP recorded inflows of $13.59 million, while Solana-based ETFs added $8.53 million [7] - Dogecoin ETFs saw inflows of $2.3 million, marking the highest single-day figure since inception [7] - The coordinated inflows across Bitcoin, Ethereum, and alternative coins may signal a potential trend reversal in the crypto market [7][8]