[beernet]

These are web scraping services. Data ownership is a grey zone at best, depending on which country you're in. Besides, copyrighted data might be scraped by accident. What I am proposing is much stronger than that, rather like an "audited" dataset that comes with guarantees because its curation can be fully backtraced.

[t_a_v_i_s]

I'm guessing you can pay one of these companies to meet these types of requirements.

I know that highly-regulated financial institutions that purchase web-scraped data have very strict rules about the data they buy.

The US has an organization dedicated to this: https://www.investmentdata.org