Which rating did USDT receive?

TLDR

USDT was rated 5 (weak) on S&P Globals stablecoin stability scale, the lowest score on its 1 to 5 system.

1. It was downgraded from 4 (constrained) to 5 (weak) this week per S&P coverage.
2. Drivers cited include higher risk reserve assets and disclosure gaps, with Bitcoin around 5.6% of reserves per a market report.
3. Tether disputed the assessment and said USDT remains resilient per a follow?up report.

Deep Dive

1. The Score and Scale

S&Ps stablecoin stability assessment runs from 1 to 5, where 5 is weak and 1 is strong. USDT moved from 4 (constrained) to 5 (weak), the lowest tier. This is explicitly stated in recent coverage of the downgrade here and reiterated here.

2. Why It Was Downgraded

S&P cited a rising share of higher risk assets in USDT reserves and limited disclosure around those reserves.

1. Bitcoin exposure is about 5.6% of reserves and exceeds a 3.9% buffer, raising undercollateralization risk if BTC falls per this analysis.
2. The share of higher risk assets, including gold, secured loans and corporate bonds, rose to 24% from 17% year over year per this report.
3. S&P also flagged persistent disclosure gaps and limited clarity on custodians and counterparties as noted here.

3. Reaction and Market Context

Tether strongly disagreed with S&Ps framework and defended USDTs resilience and redeemability, pushing back on the downgrade in statements summarized here. Some market observers also noted no meaningful outflows around the news, suggesting near-term peg confidence held up per this market piece.

Conclusion

USDTs S&P stablecoin stability score is now 5 (weak), reflecting concerns about higher risk reserve components and disclosure. Markets appeared stable around the news, but the assessment underscores that reserve composition and transparency can affect peg resilience, especially if risk assets sell off.