Here's yesterday's chart...
https://au.finance.yahoo.com/echarts?s=CXX.AX#symbol=CXX.AX;range=1d
Note the trade at 14:12....Volume of 25.1k
Note the trade at 14:53....Volume of 131k.
Note the trade at 14:54.... Volume of Nil.
At 14:53 I gained 150k.
If they're going to do charting, you'd think they'd be accurate.