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yahoofinance

Grab realtime and delayed quotes from yahoo finance

A utility I created a while back for a finance stock price notification app.

As far as I know, the actual streaming API that I'm using is not intended for public consumption nor is it actually documented anywhere.

At the time I created this, I just looked at how Yahoo was updating its pages then listened for the same mechanism.

It's a little messy, but it worked for me.

There are 2 files that get prices (realtime ticker and delayed):

delayed.py

As the name suggests, it gets the last tick price of one or more symbols through the (documented) Yahoo Finance API, which can be up to 15 minutes delayed.

Usage:

$ python delayed.py SPY,GOOG,YHOO,EBAY
SPY SPDR S&P 500 165.83
GOOG Google Inc. 870.76
YHOO Yahoo! Inc. 26.33
EBAY eBay Inc. 55.10

liveticker.py

This is the script that keeps listening for prices. It will output new prices to your console as it hears them. When testing on a box against my feed from Goldman Sachs, it was often within 500ms, and it wasn't uncommon for ticks to come in before Interactive Brokers. It's been >2 years since I've looked though, so I can't vouch for the feed, though as of May 30 2013, it appears to still work.

Usage:

$ python liveticker.py SPY,GOOG,YHOO,EBAY

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Grab realtime and delayed quotes from yahoo finance

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