Knowledge Base | How to Load Option Chains from Google Finance to CSV

Option Chains at Google Finance

Google Finance publishes US stock option chains.

You may open, search a ticker like GOOGL, and click the 'Option chain' link on the left panel.

You may use URLs like to open pages with option chains directly.

Google Finance has no links to download option chains to CSV.

Also, last time Google Finance has a strange set of expiration dates.
So, we do not recommend to use it. You may use Yahoo Finance or MSN Money instead.

Undocumented URLs to Download Option Chains from Google Finance

Google Finance uses a web service to load option chains into web pages.

The web service returns JSON and has URLs like these:

You may use specialized download and parser utilities like gwebcmd to download and convert JSON data to CSV.

For example, to get option chains use the command:

webcsv.exe webtocsv ^
    "" ^
    GOOGL.CSV /delay=200 /echoOutputFileName /pages=20 /rootPath=calls,puts

WEB.CSV in the webtocsv mode loads web data (JSON, XML, HTML, CSV) and converts the data to CSV.

Specify the /rootPath=calls,puts parser parameter that points to the JSON roots of call and put option chains.

WEB.CSV loads option chains for all expiration dates automatically. Just specify the /page=20 option.

Loading Option Chains from Google Finance with Batch Files

Create a text file like 'task.txt' and place tickers one by line like:


Create a batch file like 'load.cmd' with the following commands:

@echo off

@for /F %%i in (tickers.txt) do (
    webcsv.exe webtocsv ^
        "" ^
        %%i.JSON %%i.CSV /delay=200 /echoOutputFileName /pages=20 /rootPath=calls,puts

Run it. You will see the result:

AAPL.CSV - 170 rows
FB.CSV - 159 rows
GOOGL.CSV - 298 rows
YHOO.CSV - 30 rows

As we talked above, Google Finance returns incomplete expiration dates.

Pay attention to the /delay parameter. Use the delay to avoid banning your IP due to frequent multiple automatic requests.


Products for Option Traders
The app loads data from the web (HTML, XML, JSON, and CSV) into CSV
Version: 4.15 | 07/25/2018 | 1.4MB |


Google Finance is a logo and registered trademark of Google Inc.

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