a refresh chart button
Many ppl are voting for chart to be real-time capable. I agree. I guess if that's hard to implement, an easy short-term solution would be to provide a 'refresh' button when chart is full-screen.
We can't use browser refresh because it cause all drawings to be corrupted to disappeared.
when the user press the 'refresh', ONLY chart volume, price, and all other studies added will be updated accordingly. chart settings drawins etc should not be affected.

Hello,
Thanks for your post!
The refresh feature already exists on full-screen Charts. In the upper-right hand portion of the screen you will find a counter clockwise circle (next to the gear icon & share feature).
Our help pages are available for any future questions (https://help.yahoo.com/kb/finance-for-web#).
Regards,
Yahoo Finance