Tokenized Equities Same Stock

{
  "as_of": "2026-09-18T08:30:00.000Z",
  "chain": "base",
  "cross_issuer": {
    "deepest_issuer": "Coinbase",
    "direct_pools": [
      {
        "dex": "hydrex",
        "liquidity_usd": 1850.3,
        "other": "NVDAc",
        "other_address": "0xb20000000000000000000078ee7ce2fE4908108C",
        "pair": "0x…",
        "price_ratio": 1.0004
      }
    ],
    "st0x_vs_coinbase_bps": 23.8
  },
  "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.",
  "impostors": [
    {
      "address": "0x345c77838a623A2128a00509f977A973CE2f5f43",
      "dex": "uniswap",
      "liquidity_usd": 633547.6,
      "name": "NVIDIA Curenncy",
      "reason": "symbol NVDAc but not the issuer's registered contract",
      "symbol": "NVDAc"
    }
  ],
  "issuers": [
    {
      "address": "0xFb5B41acdbA20a3230F84BE995173CFb98b8D6E7",
      "available": true,
      "best_pool": {
        "dex": "aerodrome",
        "liquidity_usd": 8712.5,
        "pair": "0x…",
        "price_usd": 176.9,
        "quote": "USDC",
        "volume_24h_usd": 1450.2
      },
      "genuine": {
        "by": "ST0x registry (github.com/ST0x-Technology/st0x.registry)",
        "verified": true
      },
      "issuer": "ST0x",
      "liquidity_total_usd": 12480.1,
      "multiplier": null,
      "note": null,
      "paused": null,
      "premium_bps": 37.4,
      "premium_rate_adjusted_bps": 27.8,
      "price_usd": 176.9,
      "raindex_last_trade": {
        "age_s": 45110,
        "at": "2026-09-17T19:58:10.000Z",
        "price_usdc": 176.55,
        "qty": 2.5
      },
      "standard": "ERC-4626 wrapper over ERC-20 (debt instrument with Right of Exchange, S01 Issuer GmbH)",
      "symbol": "wtNVDA",
      "volume_24h_usd": 2100.4,
      "wrapper_rate": 1.000959
    },
    {
      "address": "0xb20000000000000000000078ee7ce2fE4908108C",
      "available": true,
      "best_pool": {
        "dex": "aerodrome",
        "liquidity_usd": 2310721.3,
        "pair": "0x…",
        "price_usd": 176.31,
        "quote": "USDC",
        "volume_24h_usd": 412000.8
      },
      "genuine": {
        "by": "Coinbase tokenized-stocks list + OracleRegistry getOracleParams",
        "verified": true
      },
      "issuer": "Coinbase",
      "liquidity_total_usd": 2945000.5,
      "multiplier": 1,
      "note": null,
      "paused": false,
      "premium_bps": 4,
      "premium_rate_adjusted_bps": 4,
      "price_usd": 176.31,
      "raindex_last_trade": null,
      "standard": "B20 (ERC-20 extension; direct claim on a share held by Alpaca, ADGM-supervised)",
      "symbol": "NVDAc",
      "volume_24h_usd": 480210.2,
      "wrapper_rate": null
    },
    {
      "address": null,
      "available": false,
      "best_pool": null,
      "genuine": null,
      "issuer": "xStocks",
      "liquidity_total_usd": null,
      "multiplier": null,
      "note": "xStocks (Backed) does not issue on Base: Ethereum, Arbitrum, Mantle, Ink, Solana, TON only — any 'xStock' on Base is not theirs",
      "paused": null,
      "premium_bps": null,
      "premium_rate_adjusted_bps": null,
      "price_usd": null,
      "raindex_last_trade": null,
      "standard": null,
      "symbol": null,
      "volume_24h_usd": null,
      "wrapper_rate": null
    }
  ],
  "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.",
  "sources": {
    "b20_oracle_registry": "https://basescan.org/address/0x3f3E8cf41cdd3b1D118c16471aB0113DfDDd5CaD",
    "coinbase_list": "https://docs.base.org/build-on-base/integrate-defi/list-tokenized-stocks",
    "dexscreener": "https://api.dexscreener.com",
    "quote": "https://query1.finance.yahoo.com/v8/finance/chart/NVDA?range=1d&interval=1d",
    "st0x_registry": "https://github.com/ST0x-Technology/st0x.registry",
    "xstocks_chains": "https://docs.xstocks.fi/developers"
  },
  "ticker": "NVDA",
  "underlying": {
    "age_s": 45000,
    "currency": "USD",
    "exchange": "NMS",
    "leg_used": "regular",
    "price": 176.24,
    "price_at": "2026-09-17T20:00:01.000Z",
    "session": "closed",
    "source": "yahoo",
    "symbol": "NVDA"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-accelerometer-feed.fly.dev/tokenized-equities/same-stock/:ticker'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://x402-accelerometer-feed.fly.dev/tokenized-equities/same-stock/:ticker' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-accelerometer-feed.fly.dev%2Ftokenized-equities%2Fsame-stock%2F%3Aticker
const res = await pay("https://x402-accelerometer-feed.fly.dev/tokenized-equities/same-stock/:ticker");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402-accelerometer-feed.fly.dev/tokenized-equities/same-stock/:ticker")
    print(res.status_code, res.text)