In big screen 'Charts' page there should be an option to save 'Dividend' setting
I am not sure if this is a bug but as of today in big 'Chart' screen (not the 'Chart' tab) there is an option to click on 'Events' and within section of 'Corporate Actions' and select 'Dividend'. When you select the checkbox it enables dividend for that moment but the moment you refresh or search any other stock the 'Dividends' setting is lost. This is probably a software bug and the cookie should remember that setting. I am flagging this as a bug but you can go to your dev team as a product request, please allow the cookie to save this setting until user manually unselects it as this is a big turn off for some serious investors.

We are unable to replicate your issue, please try clearing your cache and cookies. If the issue still persists, please send us a screenshot/video at finance.support@verizonmedia.com.
Regards,
Yahoo Finance