S&P Global Ratings has downgraded Tether’s flagship stablecoin USDT to the weakest possible score on its stablecoin stability scale, citing increased exposure to risky assets like bitcoin (BTC) and ongoing gaps in reserve disclosure. According to the revised assessment published on Wednesday, the ratings agency lowered USDT's score in its ability to maintain price peg to the U.S. dollar to 5 (weak) from the previous 4 (constrained), which had been assigned in December 2023. Tether pushed back against S&P ...