The best way is to simply look at the price history (search item name, then price history, filter on ladder). Check how much is Ber (usually in ists), check how much is Vex, convert.
For example in non ladder RotW, seems Ber is at around 10 Ist, and Vex around 2 Ist, so 5 for Ber must not be too far from reality - though most people will prefer trading in Ists than in Vexes
Can do trades on D2R or D2RotW
Main: Necromancer / Second: Assassin / Third: Amazon / Check my stash tabs
List trades and earn trust
Level up as you post
Give and Receive Likes
Discreet Notifications
Avatar & Profile customisation
Private Messaging
Bookmark Pages & Posts
Use Drafts & Revisions
Attach Images
Squelches this trader, making their offers on your trades invisible to anyone except themselves. Their trade listings will also be hidden from your marketplace.
Your squelch list can be managed and edited from Top right dropdown > Account Prefs > Squelches.
Miradin
2