Bitcoin Surges Back Above $91K as Support Builds in $80K-$85K Area

Market Overview - Bitcoin (BTC) surged back above $90,000, trading at $91,180, up 8% over the past 24 hours, recovering from a drop below $84,000 [1] - Ethereum's ether (ETH) bounced above $3,000, gaining 9%, while large-cap altcoins like XRP, Solana's SOL, and dogecoin (DOGE) increased by 7%–10% [2] Institutional Developments - Vanguard, a $11 trillion asset management giant, has lifted its ban on crypto, allowing clients access to digital asset ETFs [3] - Bank of America has permitted its wealth managers to recommend a 1%-4% allocation to spot bitcoin ETFs [3] Market Risks - Analyst Mark Connors warns that a rise in Japan's 10-year yield could negatively impact bitcoin, as it may divert capital from global markets, particularly affecting crypto due to its ties to Asian capital flows [4] - Connors also noted that bitcoin appears to be leading the S&P 500 lower, with potential for intervention from the Federal Reserve and Bank of Japan if markets weaken further [5] Market Sentiment - Despite some risks, bitcoin derivatives indicate a bullish sentiment, with traders selling downside puts around the $80,000–$85,000 level while selectively buying upside further out [6] - The market seems to treat the $80,000–$85,000 range as a support level, suggesting traders are positioned for a recovery into year-end [7]