What DB is used when financial data is is accessed for
stocks in portfolio? Noted that it is provided by Zack's but
can not determine their source.

To what extent is revised data elements for previous years
revised?

Thanks,
Ray Marchand

Ray Marchand writes:
> What DB is used when financial data is is accessed for
> stocks in portfolio?

Commodity Systems, Inc., aka. CSI. Same one as Yahoo! and many other
sites.

> Noted that it is provided by Zack's but
> can not determine their source.

The Zack's links are simply a way for you to get more research on
stocks. The links goes to their site (co-branded with bivio's logo).
They don't provide us with any data.

> To what extent is revised data elements for previous years
> revised?

We don't generally revise for previous years, but we do fix bad data
in the recent past. CSI is very responsive to our requests, and when
their database changes so does ours.

If you have a database issue, please email support@bivio.com and we'll
fix it for you.

Rob