S&P Downgrades Tether's Reserve Quality, Raising Concerns Over USD Peg Stability

Written byDavid Feng
Wednesday, Nov 26, 2025 7:49 pm ET4min read
Aime RobotAime Summary

-

Ratings downgraded Tether's reserve quality to "weak," citing rising risks to USDT's USD peg stability.

- High-risk assets (24% of reserves) like

and corporate bonds now dominate over U.S. Treasury securities.

-

faces scrutiny for opaque custody arrangements, lack of full audits, and insufficient contingency planning.

- Market volatility and regulatory gaps threaten confidence in algorithmic stablecoins despite $5 trillion valuation talks.

===========================CRITICAL HARD RULES (QWEN-SAFE)===========================

  1. You MUST output the FULL ORIGINAL ARTICLE.
  2. The ONLY allowed change is inserting ONE tag.
  3. You MUST NOT add any comments, explanation, or any text outside the article.
  4. You MUST NOT rewrite, reorder, delete, normalize, or alter ANY character.
  5. You MUST NOT output the tag alone.
  6. You MUST NOT place the tag at the beginning or at the end of the article.
  7. The tag MUST be inserted inside a MIDDLE PARAGRAPH.

A “paragraph” = a block of text separated by one or more blank lines.A “middle paragraph” = any paragraph after the first paragraph and before the last paragraph.

If you break ANY rule → your output is INVALID.

===========================THE TAG (INSERT EXACTLY ONCE)===========================

Insert this exact structure:

Notes:• Replace MODEL_GENERATED_VALUE with the generated ticker.• Replace CATALOG_ID_VALUE with the matched catalog id.• Replace TIME_RANGE_VALUE with exactly one of: 0, 1, 2, 3, or 4.• DO NOT output any parentheses or explanations inside the tag.

The tag MUST be inserted at a natural boundary:• end of a sentence• or end of a line

Do NOT change any surrounding characters.

===========================HOW TO GENERATE THE ATTRIBUTES===========================

1. code (MODEL_GENERATED_VALUE)

Pick the single most relevant ticker found in the article.
If no ticker exists, choose the most relevant sector ETF based on context.If still unclear, default to SPY.

1.1 Crypto Rule

If the most relevant asset is a cryptocurrency:• Convert it to its USDT trading pair (e.g. BTC → BTCUSDT).• If the article uses the full name (e.g., “Bitcoin”), map it to the standard ticker first (Bitcoin → BTC → BTCUSDT).

This rule applies ONLY to crypto assets.Non-crypto tickers MUST stay unchanged.

2. id (CATALOG_ID_VALUE)

NEWS_BACKTEST may be:• a Python dict• a JSON string

Parse it if needed.

Choose ONE id from:data.newsBacktest[0].items[*].id

Selection MUST be based on semantic matching between:• ARTICLE text• items[*].details

If no strong match:• choose the item describing trend/momentum
If still unclear:• choose the FIRST item in the catalog

3. range (TIME_RANGE_VALUE)

Use a 5-year backtest window (timeRangeId="3") as the default.
Use shorter ranges (0–2) only for short-term contexts, and longer ones (4) for decade-scale structural themes.

===========================MANDATORY OUTPUT FORMAT===========================

You MUST output:✔ the original article✔ with the inserted tag inside a middle paragraph
✘ no explanation
✘ no extra text

===========================INPUTS===========================

CATALOG_JSON:{"status_code":0,"data":{"newsBacktest":[{"extension":"/","items":[{"id":"strategy_001","name":"Absolute Momentum","type":"Strategy","template":"Implement a long-only strategy for ${1} over the ${2}. Entry: ROC(126) crosses above 0 at close. Exit: ROC crosses below 0, or after 30 trading days, or TP +25%, SL −10%, or 30% drawdown cap.","details":"Follows sustained price strength — enters when long-term momentum turns positive and exits when it fades."},{"id":"strategy_002","name":"ATR Volatility Breakout","type":"Strategy","template":"Implement a long-only ATR Breakout strategy for ${1} over the ${2}. Entry: Go long when today's True Range exceeds 1.5× the 20-day ATR and the close breaks above the previous 20-day high. Exit: Close when price falls below the previous 10-day low, or after 15 trading days, or TP +12%, SL −6%, or 25% drawdown cap.","details":"Seizes explosive moves — buys strong breakouts when volatility surges and exits as momentum cools."},{"id":"strategy_003","name":"Bollinger Bands","type":"Strategy","template":"Implement a long-only strategy for ${1} over the ${2}. Entry: Close crosses above the lower Bollinger Band (20, 2). Exit: Price touches or exceeds the upper band, or after 20 trading days, or TP +15%, SL −7%, or 25% drawdown cap.","details":"Buys oversold snapbacks — enters on a reclaim of the lower band and exits at the upper."},{"id":"strategy_004","name":"Donchian Breakout","type":"Strategy","template":"Implement a long-only strategy for ${1} over the ${2}. Entry: Close > 55-day high. Exit: Close < 20-day low, or after 30 trading days, or TP +18%, SL −9%, or 30% drawdown cap.","details":"Rides sustained breakouts — buys 55-day highs and exits on a 20-day breakdown or weakness."},{"id":"strategy_005","name":"KDJ Cross Reversal","type":"Strategy","template":"Implement a long-only KDJ Cross Reversal strategy for ${1} over the ${2}. Entry: Go long when %K(9,3,3) crosses above %D(9,3,3) and both are below 30 at close. Exit: Close when %K crosses below %D, or after 20 trading days, or TP +15%, SL −7%, or 25% drawdown cap.","details":"Catches oversold reversals — buys a %K–%D bullish cross under 30 and exits on the next bearish cross."},{"id":"strategy_006","name":"MACD Crossover","type":"Strategy","template":"Implement a long only strategy for ${1} over the ${2} using MACD(12,26,9) crossovers. Entry: Go long after bullish crossover confirmed at close. Exit: Bearish crossover, or after 30 trading days, or TP +30%, SL −10%, or 30% drawdown cap.","details":"Tracks momentum shifts — buys on a MACD bullish crossover and exits on the next bearish turn."},{"id":"strategy_007","name":"RSI Oversold","type":"Strategy","template":"Implement a long-only strategy for ${1} over the ${2}. Entry: RSI crosses above 30 at close. Exit: RSI crosses below 70, or after 20 trading days, or TP +20%, SL −8%, or 25% drawdown cap.","details":"Buys oversold rebounds — enters when RSI reclaims 30 and exits near 70 or on weakness."},{"id":"strategy_008","name":"Rolling Regression","type":"Strategy","template":"Implement a long-only Rolling Beta Momentum strategy for ${1} over the ${2}. Entry: The regression beta of past 60 daily returns on time (trend slope) > 0. Exit: Beta < 0, or after 20 trading days, or TP +20%, SL −8%.","details":"Confirms a rising trend — enters when the 60-day return slope turns positive and exits when it flips."},{"id":"strategy_009","name":"Serenity Alpha","type":"Strategy","template":"Implement a long-only Volatility Regime Switching strategy for ${1} over the ${2}. Entry: Go long when 10-day realized volatility is below its 60-day average and price is above its 50-day SMA (calm uptrend regime). Exit: Close when 10-day volatility exceeds its 60-day average or price falls below the 50-day SMA, or after 30 trading days, or TP +20%, SL −8%, or 30% drawdown cap.","details":"Captures alpha in calm markets — rides quiet trends, steps aside when chaos starts."},{"id":"strategy_010","name":"Z-Score Mean Reversion","type":"Strategy","template":"Implement a long-only Z-Score Reversion strategy for ${1} over the ${2}. Entry: Go long when Z = (Close - SMA(20)) / StdDev(20) ≤ -2 at close. Exit: When Z ≥ 0, or after 10 trading days, or TP +8%, SL −4%, or 25% drawdown cap.","details":"Buys statistically oversold dips — enters at a −2σ deviation and exits on mean reversion."},{"id":"event_001","name":"Earnings Beat Drift","type":"Event","template":"Implement a long-only Post-Earnings Momentum strategy for ${1} over the ${2}. Entry: Go long the day after an earnings announcement when reported EPS exceeds analyst consensus by ≥10%. Exit: After 20 trading days, or TP +10%, SL −5%, or 30% drawdown cap.","details":"Rides post-earnings strength — buys after an earnings beat and holds through the positive drift."},{"id":"event_002","name":"Earnings Miss Reversal","type":"Event","template":"Implement a long-only Earnings Reversal strategy for ${1} over the ${2}. Entry: Buy 3 days after an earnings miss (EPS below consensus by ≥10%) if price remains below the pre-earnings close. Exit: After 10 trading days, or TP +8%, SL −4%, or 25% drawdown cap.","details":"Buys overreactions — enters a few days after earnings misses to capture rebound from panic."},{"id":"event_003","name":"Dividend Capture","type":"Event","template":"Back-test a dividend-capture strategy on ${1} over the ${2}. Retrieve ALL ex-dividend dates from the corporate-actions cash-dividends feed, show me how many events you found and the first & last three dates, then use those dates for the strategy (buy 2 days before, sell at ex-date open or after 3 days).","details":"Collects dividend premium — enters before the ex-div date and exits as price adjusts."}],"id":2417,"data_id":700,"data_code":"newsBacktest","priority":50,"key":"newsBacktest"}]},"status_msg":"ok"}
ARTICLE:S&P Global Ratings has downgraded its assessment of Tether's reserve quality to the lowest "weak" level, signaling growing risks to the stability of its USD-pegged stablecoin

. The rating agency highlighted that high-risk assets—such as corporate bonds, precious metals, , and secured loans—now account for 24% of Tether's reserves as of September 30, up from 17% a year earlier . These assets, which lack the liquidity and reliability of U.S. Treasury securities, could exacerbate vulnerabilities during market volatility, according to the report .
Tether, which operates the largest stablecoin with a circulation of approximately $184 billion, has faced persistent scrutiny over its reserve transparency. S&P noted that the company does not disclose custodians, bank account providers, or counterparty details, nor does it explain its asset-purchasing criteria or contingency plans for significant asset value declines .
The rating agency emphasized that Bitcoin price swings or corporate bond defaults could erode collateral coverage ratios, leaving USDT potentially under-collateralized .

While

claims to maintain full resilience during past banking crises and liquidity shocks, its response to S&P's downgrade has not addressed the core concerns. CEO Paolo Ardoino previously refused to disclose details about government bond holdings, citing competitive secrecy . The company currently publishes real-time reserve data and quarterly reviews by BDO Italia, but these measures fall short of a full audit .

Market dynamics further complicate Tether's position. The stablecoin remains a major U.S. Treasury buyer, holding 75% of its collateral in Treasuries as of September 2024, down from 81% in the previous review period . However, broader crypto market declines have intensified risks: Bitcoin has fallen about 30% from its October peak, and the asset has lost 6% year-to-date despite a more crypto-friendly U.S. regulatory approach .

S&P also pointed to structural weaknesses in Tether's operational framework. The company lacks regulatory oversight, asset segregation mechanisms, and a robust governance model to protect investors from insolvency risks . Howard Lutnick, former CEO of Cantor Fitzgerald—which previously managed Tether's Treasury holdings—highlighted the absence of transparency in custody arrangements .

Tether's financial performance, while strong, underscores its exposure to market conditions. The firm reported $10.1 billion in net income for the first nine months of 2024, primarily from Treasury interest . It is also in advanced talks for a $20 billion private funding round, which would value the Salvador-based company at $5 trillion .

The downgrade reflects broader concerns about stablecoin sustainability. S&P analysts warned that low transparency and regulatory gaps could undermine confidence in algorithmic stablecoins . Meanwhile, Tether's decade-long history of disclosure controversies—despite CEO Ardoino's pledge to prioritize audits—suggests ongoing challenges in aligning with emerging global regulatory standards .