Why does Bitcoin dominance matter? This metric reveals where money is flowing in the crypto market. High dominance (70%+) often signals a flight to safety, while a dip below 50% can indicate the start of altcoin season. Learn to read the chart, interpret trends, and use dominance as a signal for your portfolio decisions. Understand the difference between the Bitcoin dominance index and market dominance, and how to trade effectively when dominance rises or falls. Whether you're a trader or a long‑term holder, this is essential market intelligence.