Simple arithmetic - if AUT reserves have a published NPV of $2117B for 16300 net acres in several "hot" locations that equates roughly to NTA of $5.04/share and currently trading at 75% of that at $3.80.
Apply the same analogy to TXN and EKA for their net acres in similar Eagleford locations in relation to shares on issue and they should be trading @ approx $2.75!!
Sure not dual listed etc but a hell of a difference