Bitcoin's performance is increasingly linked to the bullish momentum of the S&P 500, driven by liquidity, rate expectations, and investor tolerance for high valuations. The S&P 500, currently near 7,365, remains in a long-term uptrend despite historically high valuation indicators. This environment supports Bitcoin, which benefits from the equity trend as long as it remains intact. However, Bitcoin's fragility increases if equities face pressure from rates, earnings, or volatility. The approval of spot Bitcoin ETFs in January 2024 has integrated Bitcoin more closely with institutional portfolios, making it sensitive to macroeconomic variables affecting equities. As the S&P 500 continues to rise, driven by AI-led earnings expectations, Bitcoin is likely to attract capital due to its high-beta nature and liquidity channels. The current market setup, reminiscent of past tech-driven cycles, suggests Bitcoin will thrive as long as equity markets maintain their trend and investor confidence in future growth remains strong.