Huh ? Can you show an instance where this has happened ? A grey sheet stock, becoming current and uplisting to the OTCBB in the same day ?? Just one will do.
it is possible to move to OTCBB when filings will be up to date the same day
Occam's razor:"the simplest explanation or strategy tends to be the best one" Hanlon's Razor:"Never attribute to malice that which can be adequately explained by stupidity"