Stock Quotes (JavaScript SDK)

• Last updated Sep 9, 2026
• View as Markdown

Retrieve stock quotes (bid, ask, mid, last, volume, etc.) for one or more supported stock symbols.

Making Requests

Use the quotes() method on the stocks resource to fetch stock quotes. The method returns a MarketDataPromise that resolves to decoded records by default, or rejects with a MarketDataClientError subclass on failure.

Output Format	Result Payload	Description
internal (default)	StockQuote[] or StockQuoteHuman[]	Array of decoded quote records, one per symbol.
json	Raw JSON object	The compressed, array-keyed response object.
csv	Blob	CSV payload. Use .save(filename) to write it.

quotes

// Positional form
quotes<P>(
  symbols: string | string[],
  params?: P,
): MarketDataPromise<StockQuote[] | StockQuoteHuman[]>

// Object form
quotes<P>(
  params: P & { symbols: string | string[] },
): MarketDataPromise<StockQuote[] | StockQuoteHuman[]>

Fetches stock quotes for one or more symbols.

Parameters

• symbols (string | string[])

  A single symbol string or an array of symbol strings for which to fetch quotes.

• 52week (boolean, optional)

  Include the 52-week high and low in the response.

• extended (boolean, optional)

  Include extended-hours quote data.

• outputFormat (optional): The format of the returned data. Alias: format.

• dateFormat (optional): The date format to use. Alias: dateformat.

• columns (optional): Columns to include.

• addHeaders (optional): Whether to include headers in CSV output. Alias: headers.

• useHumanReadable (optional): Use human-readable field names. Alias: human.

• mode (optional): The data mode to use.

Returns

• MarketDataPromise<StockQuote[] | StockQuoteHuman[] | Blob>

Single Symbol

import { MarketDataClient } from "@marketdata/sdk";

const client = new MarketDataClient();

try {
  const quotes = await client.stocks.quotes("AAPL");
  console.log(quotes[0]);
} catch (error) {
  console.error(error);
}

Multiple Symbols

import { MarketDataClient } from "@marketdata/sdk";

const client = new MarketDataClient();

try {
  const quotes = await client.stocks.quotes(["AAPL", "MSFT", "GOOGL"]);
  for (const q of quotes) {
    console.log(`${q.symbol}: bid=${q.bid}, ask=${q.ask}, last=${q.last}`);
  }
} catch (error) {
  console.error(error);
}

52-Week High/Low

import { MarketDataClient } from "@marketdata/sdk";

const client = new MarketDataClient();

try {
  const quotes = await client.stocks.quotes("AAPL", { "52week": true });
  console.log(quotes[0]);
} catch (error) {
  console.error(error);
}

Human Readable

import { MarketDataClient } from "@marketdata/sdk";

const client = new MarketDataClient();

try {
  const quotes = await client.stocks.quotes("AAPL", { human: true });
  const q = quotes[0];
  console.log(`${q.Symbol}: Bid=${q.Bid} / Ask=${q.Ask}, Volume=${q.Volume}`);
} catch (error) {
  console.error(error);
}

StockQuote

interface StockQuote {
  s?: string;
  symbol: string;
  ask: number;
  askSize: number;
  bid: number;
  bidSize: number;
  mid: number;
  last: number;
  change: number;
  changepct: number;
  volume: number;
  updated: number;
}

StockQuote represents a single stock quote with short, machine-readable field names.

Properties

• s (string, optional): Status indicator ("ok" for successful responses).
• symbol (string): The stock symbol.
• ask (number): The ask price.
• askSize (number): The ask size.
• bid (number): The bid price.
• bidSize (number): The bid size.
• mid (number): The mid price.
• last (number): The last traded price.
• change (number): The price change.
• changepct (number): The fractional price change.
• volume (number): The trading volume.
• updated (number): Unix timestamp when the quote was last updated.

StockQuoteHuman

interface StockQuoteHuman {
  s?: string;
  Symbol: string;
  Ask: number;
  Ask_Size: number;
  Bid: number;
  Bid_Size: number;
  Mid: number;
  Last: number;
  Change_Price: number;
  Change_Percent: number;
  Volume: number;
  Date: number;
}

StockQuoteHuman is returned when human: true is set. Field names are in Title_Case rather than camelCase.