USDC (USDC)

USDC holds its dollar peg at $0.999908 with near-zero volatility, a critical feature for institutional settlement and proof of Circle's transparent audits. With a 24-hour price range of just $0.000002, it is 100% more stable than the average cryptocurrency on this list, which swings by at least 0.5% daily. This reliability attracts over $30 billion in daily transaction volume, making USDC the preferred stablecoin for exchanges and DeFi protocols, outperforming #6's typical variance by a factor of 10.