sYINN, issued by Stablestocks Lab Limited, is a tokenized stock representing one underlying share of the Direxion Daily FTSE China A50 Bull 3X Shares (YINN) exchange-traded fund, held in custody with licensed brokers. [S1][S2]

Each sYINN token tracks the live market price of the Direxion Daily FTSE China A50 Bull 3X Shares (YINN), a leveraged ETF, and is backed 1:1 by one underlying fund unit held with licensed brokers. [S1][S2] If the underlying issues a distribution and eligibility requirements are met, holders receive a corresponding amount, though no voting rights pass through. [S1] Holders bear a StableStock service fee of 0.1% of transaction amount. [S3]

Stablestocks Lab Limited (brand StableStock) is incorporated in the British Virgin Islands and operates from Singapore. [S2][S4] StableStock does not hold financial-services licenses and disclaims being a regulated financial entity, stating none of its services constitute financial advice, investment recommendations, or solicitation; regulatory coverage is provided through licensed brokerage partners holding an Australian Financial Services Licence (AFSL), a Hong Kong SFC Type 1 License, and a U.S. Money Services Business (MSB) Registration. [S4][S2][S5] The token is a tokenized representation of a real-world share, redeemable (burnable) at any time for the underlying. [S1][S2] Tokenized equities are offered only to Qualified Investors and barred from U.S. persons. [S4]

sYINN is issued and tradable on BNB Chain via a liquidity partnership between StableStock and Native. [S1][S6] Holders mint tokens by depositing brokerage-held shares 1:1 and burn them to retrieve the underlying. [S1][S2] Mint, Burn, Buy, and Sell records are recorded permanently onchain, with reserve coverage verified through weekly assurance reports based on broker settlement and custodian data. [S7]

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    { id: "S1", url: "https://stablestock.gitbook.io/ss/concepts/stokens" },
    { id: "S2", url: "https://stablestock.gitbook.io/ss/llms-full.txt" },
    { id: "S3", url: "https://stablestock.gitbook.io/ss/concepts/spot/fee.md" },
    { id: "S4", url: "https://stablestock.gitbook.io/ss/legal/terms_of_use.md" },
    { id: "S5", url: "https://stablestock.gitbook.io/ss/introduction/trust-and-security.md" },
    { id: "S6", url: "https://stablestock.gitbook.io/ss/concepts/stokens.md" },
    { id: "S7", url: "https://stablestock.gitbook.io/ss/concepts/transparency" },
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Tokenized stocks

StableStock earns revenue from transaction fees on sStock issuance and redemption via its StableBroker product, and from the spread between deposit/withdrawal flows. Distribution is direct-to-retail (StableBroker app) and B2B via wallet/exchange integrations on BNB Chain.

StableStock issues sStock tokens — ERC-20 tokens on BNB Chain backed 1:1 by the underlying U.S. equity or ETF held at a licensed custodian. The product catalog spans 500+ tokenized stocks and ETFs (e.g. sAAPL, sNVDA, sTSLA, sQQQ) including newly-IPO'd names like sCRCL (Circle) and sBLSH (Bullish) and leveraged/inverse exposures. All sStocks are deployed as BeaconProxy contracts from a single upgradeable factory.

StableStock is an onchain stock asset platform that lets users buy and trade U.S. stocks and ETFs using stablecoins. StableStock is the issuer of sStock tokens — tokenized representations of equities — and is backed by YZi Labs (formerly Binance Labs) among others.

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Real-world asset (RWA) issuers

StableStock

StableStock Direxion Daily FTSE China A50 Bull 3X Shares (sYINN) is a token tracking the underlying shares, backed by dedicated collateral with HabitTrade as broker.

Each token tracks one underlying share, entitles holders to dividends, and carries no voting rights.

Residents of the United States and Hong Kong cannot mint or redeem with StableStock.

sYINN has been issued on BNB Chain as an ERC-20 token since October 2025.

StableStock Direxion Daily FTSE China A50 Bull 3X SharessYINN

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