BUSD reached record stablecoin share after Binance’s auto-conversion

On October 22, 2022, a contemporaneous market report documented Binance USD reaching its largest recorded share of stablecoin supply after Binance began automatically converting several competing dollar-linked tokens into BUSD on its platform.

The Block’s data dashboard placed BUSD at 15.48% of approximately $140 billion in total stablecoin supply as of October 21. It put BUSD supply just below $22 billion, more than $6 billion higher than at the beginning of 2022. The report also attributed 22% of cryptocurrency trading volume by pair denomination to BUSD during October through the source’s observation point.

Those figures captured a significant market-structure shift during an otherwise subdued period for digital assets. Rather than depending entirely on users voluntarily selecting BUSD, Binance had redesigned how several stablecoins were represented and traded inside its exchange.

Binance consolidated competing balances

Binance announced on September 5, 2022 that existing balances and new deposits of USD Coin, Pax Dollar and TrueUSD would be converted into BUSD at a one-to-one ratio. The company scheduled the principal auto-conversion for September 29 at 03:00 UTC and described the resulting BUSD balance as a consolidated balance covering BUSD, USDC, USDP and TUSD.

The exchange said customers would retain the ability to withdraw funds in the three converted stablecoins at a one-to-one ratio. Nevertheless, the change removed numerous dedicated spot pairs and made BUSD the accounting and trading unit presented inside much of the platform.

That distinction mattered. The policy did not erase USDC, USDP or TUSD from their underlying networks, and it did not establish that every deposited token had permanently become BUSD. It did concentrate displayed balances and trading liquidity into Binance’s preferred dollar-linked instrument. The October 21 supply snapshot suggested that this distribution advantage was translating into a larger measured footprint.

The timing supports that interpretation, but it does not prove that auto-conversion caused every additional BUSD issuance. Supply could also respond to customer demand, market-making activity, transfers between venues, redemptions and changes elsewhere in the stablecoin market.

Supply share was not the same as trading price

The 15.48% figure measured BUSD’s share of reported stablecoin supply, not an investment return or a price increase. Because BUSD was designed to track one U.S. dollar, growth was expressed primarily through the number of tokens outstanding and their use as a trading denomination.

Multiplying the rounded $140 billion market total by 15.48% produces approximately $21.67 billion. That calculation is consistent with the report’s “just under $22 billion” description, but it cannot reconstruct an exact token count because the $140 billion denominator was rounded and the dashboard’s complete constituent and timestamp methodology was not preserved in the article.

The 22% trading-pair statistic has a similar limitation. It described volume grouped by quote denomination across the dashboard’s covered venues during October through the snapshot, rather than BUSD transfers, exchange reserves or a universal measure of all cryptocurrency trading.

Why the milestone mattered

Paxos, the regulated trust company issuing BUSD, said in July 2022 that its stablecoin reserves were held in cash, overnight transactions secured by U.S. Treasuries and Treasury bills maturing within 90 days. Paxos also introduced monthly reserve disclosures. Those were issuer representations and reporting arrangements; they did not make Binance’s exchange balances independently auditable from the supply dashboard.

The October 22 development therefore illustrated two separate forms of influence. Paxos supplied the regulated issuance and reserve structure, while Binance controlled a major distribution venue and could consolidate liquidity through product design. BUSD’s record share showed how quickly that combination could alter competition among dollar-linked tokens, even without a change in the intended one-dollar value of each token.

The defensible event-day conclusion was limited but consequential: by October 21, BUSD had reached a record share in the cited dataset, and Binance’s September conversion policy provided a clear institutional mechanism behind its expanding role. The durability of that share and the policy’s broader consequences remained unknown on October 22, 2022.