According to @HenriArslanian, S&P Global Ratings downgraded Tether’s USDT stablecoin to its weakest score within its stablecoin stability assessment framework (source: @HenriArslanian on X, Dec 19, 2025; source: S&P Global Ratings Stablecoin Stability Assessment framework). For trading, monitor 1) USDT/USD peg deviations and USDC-USDT basis on major spot venues to detect premium/discount shifts (source: Binance and Coinbase tickers via TradingView), 2) Curve 3pool and other stablecoin pool imbalances to gauge swap pressure and potential depeg risk (source: Curve Finance pool dashboard; DeFiLlama stablecoin pool analytics), 3) USDT borrowing rates on Aave and funding rates on perps to spot collateral tightening or stress (source: Aave Analytics; exchange funding rate pages), and 4) stablecoin netflows to and from exchanges for rotation risk between USDT and alternatives like USDC (source: CryptoQuant and Glassnode exchange flow dashboards).

According to the source, a 2,000,000,000 USDT mint on Ethereum (ETH) has been reported, indicating a potential increase in on-chain USDT supply if confirmed. source: the source Traders should first confirm the issuance via the USDT contract mint events on Ethereum and Tether’s Transparency page before taking positions. source: Etherscan; Tether Post-verification, monitor USDT exchange netflows, USDT-USD spreads and depeg risk on Curve 3pool and major spot markets, and ETH gas usage around the mint window for liquidity impact. source: CryptoQuant; Curve Finance; Binance; Etherscan If the mint represents treasury inventory, subsequent exchange transfers typically show up as positive netflows and deeper USDT order book depth; validate via exchange flow and market depth dashboards before trading. source: Tether; Kaiko