The launch of Bitcoin ETFs has significantly impacted market regulation and price volatility. By providing a regulated investment vehicle, ETFs enhance oversight, attracting institutional investors while reducing risks tied to unregulated exchanges. This fosters mainstream adoption and improves market transparency. However, it also introduces stricter compliance, potentially curbing Bitcoin’s decentralized ethos. On volatility, ETFs can stabilize prices by boosting liquidity and dampening whale-driven swings, as seen with inflows matching miner outflows post-ETF approval in January 2024. Yet, initial hype often spikes volatility, as evidenced by Bitcoin’s surge to $46,303 after ETF debuts, followed by corrections. Regulatory shifts, like China’s 2021 ban, contrastingly heightened volatility. Overall, Bitcoin ETFs balance enhanced regulation with complex price dynamics, shaping a more mature yet still unpredictable market.