HM3 does not have positional versions of every HUD stat like HM2 did, as many customers felt it cluttered up the stats list.  Instead we have the HUD - HUD Editor - Item Properties - Position modifier as shown in this screenshot - https://www.dropbox.com/s/qh7e28llpah1kyl/positionalitemproperties.png?dl=0

HoldemManager Is there Std. variance dev. stat on HM3?

This feature request has been documented in detail and provided to the developers for future consideration.  If you want to be notified if/when it is added please send an email via the 'Contact Support' link - https://support.holdemmanager.com/ - and include "Notify Me When HMT-3184 is Resolved" in the subject line and body of the email.

Wait does that mean you can create those stats yourself?

I am not sure what you are asking. Are you referring to the post above about positional stats? Did you look at the dropbox image link I posted? Here is that image again using the forum insert image tool so it posts in the thread: