Standard Chartered revises Bitcoin year-end prediction to $150,000 from $100,000. Forecast suggests $250,000 peak in 2025 before settling at $200,000. Analysis draws parallels with gold ETF impact, anticipates BTC surge if ETF inflows hit $75 billion. SEC potential approval for Ethereum ETF on May 23 may drive ETH to $8,000 by 2024 end. Predicts ETH/BTC ratio rising to 7%, implying $14,000 ETH by 2025.