CXA - ChiX
TM - TradeMatch (ASX Lit)
XT - Cross Trade - usually means same broker acting for buyer & seller, hence cross trade but all CentrePoint (ASX dark) trades show as cross trade (XT)
So your highlighted CXA trade means 100,000 bought/sold @ 10:24:45 on ChiX for 3.2
Your TMXT trade meaans the broker reported a trade on the ASX where they acted for both the buyer & seller and it happened @ 10:22:46 for 3.2
