Mate, you should know by now that you dont trust anything a banks says! :)
Chi-X is just a rival "stock Exchange" that has begun operating in Australia late last year, competing with the ASX. All trades that go through the Chi-X exchange still have to be booked and settled through the ASX, and come through with the NXXT code.
To read up some more info on the NXXT code try these two links: LINK 1 LINK 2
MOX Price at posting:
7.2¢ Sentiment: LT Buy Disclosure: Held