My Westpac broking system shows me in course of trades that...

  1. 453 Posts.
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    My Westpac broking system shows me in course of trades that there were 2 crossings today, onbe for 600,000 shares and the other 800,000 shares. However in the total volume traded it only has 629,000 shares traded. Seems to be missing the 800,000 trade. These are large volumes for SOT but not sure what is really happening. Can anyone explain?
 
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