$BTC One of the best coin pairs with BTC is ETH/BTC, combining Bitcoin’s store-of-value role with Ethereum’s smart contract utility. This pair allows traders to hedge within the crypto ecosystem, minimizing fiat exposure. ETH/BTC is widely supported across major exchanges and offers high liquidity, making it suitable for both spot and swing trading. The price ratio between ETH and BTC often reflects broader market sentiment—when ETH/BTC rises, altcoins typically gain momentum. This pair is ideal for diversifying holdings, capturing relative strength shifts, and managing risk during volatility. It’s a favorite among seasoned traders for long-term value strategies.