Bitcoin (BTC) has dropped over 40% from its October 2025 high near $126,000, and institutional investors hold the key to recovery via Bitcoin ETFs. The answer may lie in a signal most traders overlook. BeInCrypto’s proprietary BTC-NASDAQ correlation chart, combined with monthly spot ETF (exchange-traded fund) flow data, reveals a consistent pattern. When Bitcoin moves in sync with tech stocks (NASDAQ index), institutional money follows through ETFs