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What the FSB published on 12 October

The FSB released three linked documents on Monday morning (06:00 UTC):

The letter lists the risks the FSB sees across the whole financial system: sharp swings in government bond markets, weak spots in private credit, and artificial intelligence, including the chance that a reassessment of AI-related valuations triggers a broader correction. Stablecoins get their own section. Bailey writes that global stablecoins are "inherently cross-border", that national rules are taking shape "at different speeds", and that cross-border cooperation is "still in its infancy". He also notes that stablecoins keep appearing in discussions about fraud and financial crime, especially those run from lightly regulated jurisdictions.

The numbers in the note

The note puts the total stablecoin market at around $300 billion as of mid-2026, "essentially unchanged from a year earlier", with 99% by value pegged to the US dollar. That flat year matters: the FSB is not reacting to explosive growth but to a structure it considers fragile at any size.

It also describes how stablecoins are actually used today. Mostly, they are the liquidity that traders use to enter, exit and trade crypto markets. In some emerging and developing economies they also act as an alternative store of value and can support financial inclusion. Faster and cheaper cross-border payments are described as a possible future use, not a current one.

Where the FSB thinks a run could start

The core of the note compares a stablecoin issuer with a bank. A bank knows its depositors and manages withdrawals with a view of its whole balance sheet. A global stablecoin issuer, the FSB says, may not know who holds its tokens, where those holders live, or where redemption demand will appear. Its liabilities are "internationally mobile and may be partly unobservable".

Four mechanisms stand out:

• A 24/7 market meets 9-to-5 redemptions. Tokens trade around the clock, but redemption and reserve management depend on the operating hours and settlement practices of the markets the reserves sit in. In stress, fast round-the-clock selling can push a coin off its peg if redemptions cannot keep up. The FSB also notes the other side: deep secondary markets let arbitrageurs pull prices back toward the peg.
• Multi-issuer structures. Some stablecoins are issued by several affiliated companies in different countries that share liability but hold separate reserves. If holders can redeem with any of them, demand could pile onto one entity whose reserves are not where the redemptions are. Moving reserves across borders may not work smoothly under stress.
• Unclear insolvency. In some cases it may be hard to know which country's insolvency law applies if a global stablecoin fails, and whose claim ranks where. The FSB says stablecoins and national frameworks "remain untested in severe stress and insolvency".
• Regulatory arbitrage. Different national rules have produced complex cross-border structures, and some issuers have chosen to operate from lightly regulated or unregulated places.

If a run did happen, the note names how it could spill into traditional finance: forced sales of reserve assets, bank deposit withdrawals to fund redemptions, disruption where businesses rely on a stablecoin for payments, and foreign-exchange markets where stablecoins are used for cross-border transfers.

Why emerging markets get a separate warning

The FSB says emerging market and developing economies face extra risks: currency substitution (people swapping local money for dollar tokens), deposits leaving local banks, and harder capital-flow management. In those countries a stablecoin "could become systemic at a lower threshold of use". This is the part of the note most relevant to readers in places such as Indonesia, Turkey, Vietnam or Brazil, where dollar stablecoins are widely used as savings.

Regulators admit they cannot see the data well

The second half of the note is about data. Authorities currently rely mostly on private data compilers whose methods differ, which creates comparability and credibility problems. Public blockchains are pseudonymous, so it is often impossible to say which country a holding or flow belongs to. The FSB suggests three steps: agree a set of monitoring metrics and identify gaps, share data and expertise across borders, and explore industry best practices for collecting on-chain and off-chain data.

What the FSB wants next

The note proposes three areas of further work: closer monitoring of cross-border vulnerabilities; supporting implementation of the FSB's 2023 high-level recommendations on global stablecoins, especially cross-border cooperation and information sharing; and gathering information on how authorities plan for the distress or failure of a global stablecoin. None of this is a new rule. The note itself states that FSB activities "shall not be binding or give rise to any legal rights or obligations". Rules come from national authorities, such as the EU's MiCA regime (see our article on ESMA's three-month deadline for non-MiCA stablecoins).

What to watch this week

• The G20 meeting on 15 October. Look for stablecoin language in the finance ministers' communiqué; a commitment to cross-border cooperation would echo the note.
• National rules. The note's main complaint is inconsistency. Moves by your own regulator matter more for your account than anything the FSB says.
• Peg behaviour on weekends. The FSB's point about 24/7 trading versus market-hours redemption is something you can watch yourself: small deviations from $1 when banks are closed show how thin the arbitrage is.

How to act on this

You do not need to sell stablecoins because of this note, but it is a good prompt to check your setup. Know which stablecoin you hold and who issues it, avoid keeping all your trading balance in one coin on one platform, and treat a coin trading below $1 on a weekend as a warning rather than a bargain. If you keep stablecoins on an exchange to trade, cost matters too: OKX charges 0.08% maker and 0.10% taker on spot for regular accounts, and signing up with code nexu888 returns 40% of trading fees, settled hourly (OKX profile). For stablecoin pairs and derivatives, Bitget with the same code nexu888 returns up to 60% (Bitget profile).

Quick answers

What did the FSB say about stablecoins on 12 October 2026? That global stablecoins are cross-border by nature, that national rules are developing at different speeds, and that cross-border oversight, crisis management and insolvency arrangements are immature or missing.

How big is the stablecoin market according to the FSB? About $300 billion in mid-2026, nearly unchanged from a year earlier, with 99% pegged to the dollar.

Does the FSB note ban or restrict USDT or USDC? No. FSB work is not binding; any restriction would have to come from national regulators.

Why does weekend trading matter? Tokens trade 24/7, but redemptions depend on the hours of the markets holding the reserves, so selling pressure can outrun redemptions.

When do G20 finance ministers meet? On 15 October 2026; the FSB documents were sent ahead of that meeting.

Limits of this article

This article is based on the FSB press release, the Chair's letter and the stablecoin note published on 12 October 2026. The note names no specific stablecoin or issuer, and we do not attribute its warnings to any one coin. The market size is the FSB's own estimate. The G20 outcome on 15 October was not known when this was written. This is analysis, not investment advice. Partner links may earn NexuAlpha a commission paid by the exchange, at no extra cost to you.