Just a quick post in the light of a very recent event.
Undergrad Research: Option Pricing via Machine Learning
Users of financial functions of R, MatLab, Python, or Zorro got a bad surprise in the last days. Scripts and programs based on historical price data suddenly didn’t work anymore.
And our favorite free historical price data provider, Yahoo, now responds on any access to their API in this way:
Continue reading “Bye Yahoo, and thanks for all the fish”