Tether (USDT)

Tether holds steady at $0.9998, with negligible 24-hour and weekly changes — the stable anchor investors turn to when Bitcoin and altcoins wobble. Its 0.02% daily fluctuation is 200 times smaller than Bitcoin's 4.4% move, and with a $142 billion supply, it is the most traded stablecoin, surpassing USD Coin by 3.2x in daily volume.