Market Cap API for Merck & Co., Inc. (MRK)

• cURL
• Python
• JavaScript

curl "https://financialdata.net/api/v1/market-cap?identifier=MRK&key=API_KEY"

import requests

                                                url = 'https://financialdata.net/api/v1/market-cap?identifier=MRK&key=API_KEY'    
                                                response = requests.get(url)

                                                print(response.json())
                                            

const url = 'https://financialdata.net/api/v1/market-cap?identifier=MRK&key=API_KEY';
                                            
                                                const response = await fetch(url);
                                                const data = await response.json();

                                                console.log(data);
                                            

[
  {
    "trading_symbol": "MRK",
    "central_index_key": "0000310158",
    "registrant_name": "Merck & Co., Inc.",
    "fiscal_year": "2025",
    "market_cap": 198051000000.0,
    "change_in_market_cap": -115748000000.0,
    "percentage_change_in_market_cap": -36.8860321415938,
    "shares_outstanding": 2472392003,
    "change_in_shares_outstanding": -53644237,
    "percentage_change_in_shares_outstanding": -2.12365270737367
  },
  ...
]

Market capitalization, or market cap, is the total value of a company's outstanding common shares held by investors. Market cap is calculated by multiplying the market price per common share by the total number of common shares outstanding. Our API provides historical market cap data for a few thousand companies.