tokenized equities same stock derived

{
  "input": {
    "type": "http",
    "method": "GET",
    "pathParams": {
      "ticker": ":ticker"
    },
    "queryParams": {}
  },
  "output": {
    "type": "json",
    "example": {
      "kind": "same_stock_base",
      "read": "NVDA on Base: wtNVDA 176.9 (+0.28% vs NVDA, $12480 liquidity); NVDAc 176.31 (at par vs NVDA, $2945001 liquidity); ST0x vs Coinbase spread +0.24%; 1 impostor token using the same symbol (deepest $633548). xStocks: not on Base.",
      "as_of": "2026-09-18T08:30:00.000Z",
      "chain": "base",
      "ticker": "NVDA",
      "issuers": [
        {
          "note": null,
          "issuer": "ST0x",
          "paused": null,
          "symbol": "wtNVDA",
          "address": "0xFb5B41acdbA20a3230F84BE995173CFb98b8D6E7",
          "genuine": {
            "by": "ST0x registry (github.com/ST0x-Technology/st0x.registry)",
            "verified": true
          },
          "standard": "ERC-4626 wrapper over ERC-20 (debt instrument with Right of Exchange, S01 Issuer GmbH)",
          "available": true,
          "best_pool": {
            "dex": "aerodrome",
            "pair": "0x…",
            "quote": "USDC",
            "price_usd": 176.9,
            "liquidity_usd": 8712.5,
            "volume_24h_usd": 1450.2
          },
          "price_usd": 176.9,
          "multiplier": null,
          "premium_bps": 37.4,
          "wrapper_rate": 1.000959,
          "volume_24h_usd": 2100.4,
          "raindex_last_trade": {
            "at": "2026-09-17T19:58:10.000Z",
            "qty": 2.5,
            "age_s": 45110,
            "price_usdc": 176.55
          },
          "liquidity_total_usd": 12480.1,
          "premium_rate_adjusted_bps": 27.8
        },
        {
          "note": null,
          "issuer": "Coinbase",
          "paused": false,
          "symbol": "NVDAc",
          "address": "0xb20000000000000000000078ee7ce2fE4908108C",
          "genuine": {
            "by": "Coinbase tokenized-stocks list + OracleRegistry getOracleParams",
            "verified": true
          },
          "standard": "B20 (ERC-20 extension; direct claim on a share held by Alpaca, ADGM-supervised)",
          "available": true,
          "best_pool": {
            "dex": "aerodrome",
            "pair": "0x…",
            "quote": "USDC",
            "price_usd": 176.31,
            "liquidity_usd": 2310721.3,
            "volume_24h_usd": 412000.8
          },
          "price_usd": 176.31,
          "multiplier": 1,
          "premium_bps": 4,
          "wrapper_rate": null,
          "volume_24h_usd": 480210.2,
          "raindex_last_trade": null,
          "liquidity_total_usd": 2945000.5,
          "premium_rate_adjusted_bps": 4
        },
        {
          "note": "xStocks (Backed) does not issue on Base: Ethereum, Arbitrum, Mantle, Ink, Solana, TON only — any 'xStock' on Base is not theirs",
          "issuer": "xStocks",
          "paused": null,
          "symbol": null,
          "address": null,
          "genuine": null,
          "standard": null,
          "available": false,
          "best_pool": null,
          "price_usd": null,
          "multiplier": null,
          "premium_bps": null,
          "wrapper_rate": null,
          "volume_24h_usd": null,
          "raindex_last_trade": null,
          "liquidity_total_usd": null,
          "premium_rate_adjusted_bps": null
        }
      ],
      "sources": {
        "quote": "https://query1.finance.yahoo.com/v8/finance/chart/NVDA?range=1d&interval=1d",
        "dexscreener": "https://api.dexscreener.com",
        "coinbase_list": "https://docs.base.org/build-on-base/integrate-defi/list-tokenized-stocks",
        "st0x_registry": "https://github.com/ST0x-Technology/st0x.registry",
        "xstocks_chains": "https://docs.xstocks.fi/developers",
        "b20_oracle_registry": "https://basescan.org/address/0x3f3E8cf41cdd3b1D118c16471aB0113DfDDd5CaD"
      },
      "impostors": [
        {
          "dex": "uniswap",
          "name": "NVIDIA Curenncy",
          "reason": "symbol NVDAc but not the issuer's registered contract",
          "symbol": "NVDAc",
          "address": "0x345c77838a623A2128a00509f977A973CE2f5f43",
          "liquidity_usd": 633547.6
        }
      ],
      "disclaimer": "Public blockchain and reference data about tokenized securities. Not investment advice, not an offer, no order routing or execution. Eligibility to hold ST0x tokens is set by the issuer's prospectus.",
      "underlying": {
        "age_s": 45000,
        "price": 176.24,
        "source": "yahoo",
        "symbol": "NVDA",
        "session": "closed",
        "currency": "USD",
        "exchange": "NMS",
        "leg_used": "regular",
        "price_at": "2026-09-17T20:00:01.000Z"
      },
      "cross_issuer": {
        "direct_pools": [
          {
            "dex": "hydrex",
            "pair": "0x…",
            "other": "NVDAc",
            "price_ratio": 1.0004,
            "liquidity_usd": 1850.3,
            "other_address": "0xb20000000000000000000078ee7ce2fE4908108C"
          }
        ],
        "deepest_issuer": "Coinbase",
        "st0x_vs_coinbase_bps": 23.8
      }
    }
  }
}