The RBA publishes a wealth of information, well worth a look at....

The RBA publishes a wealth of information, well worth a look at. The stats are here. The column of interest is the first one, negative values are buy backs, and positive are sales.

http://www.rba.gov.au/Statistics/Bulletin/A04hist.xls

Here is an excerpt, values are in millions.

Oct-2008 -3150
Nov-2008 -134
Dec-2008 1102
Jan-2009 383
Feb-2009 229
Mar-2009 718
Apr-2009 512
May-2009 1433
Jun-2009 1943
Jul-2009 705
Aug-2009 576
Sep-2009 830
Oct-2009 307

Also, you may be interested in the coverage in the media, every so often we hear about these market operations.

http://www.theaustralian.com.au/news/rba-sells-record-19bn-amount-of-australian-dollars/story-0-1225750939449?from=marketwatch_rss

http://www.news.com.au/business/story/0,27753,24557335-462,00.html

Cheers,

Cluster.