it's unlikely that the "Yahoo engineers" will fix it in the next time.
Very unlikely:
https://forums.yahoo.net/t5/Yahoo-Finance-help/Is-Yahoo-Finance-API-broken/td-p/250503/page/3:
"This feature was discontinued by the Finance team and they will not be reintroducing that functionality."
This has a massive impact, imagine only how many R analysis' work with Yahoo API ...
