The "change" is not included in that chart. Blockchain.info has one chart WITH the change, and then also they have the one I posted without.
Similar to the total output volume with the addition of an algorithm which attempts to remove change from the total value. This maybe a more accurate reflection of the true transaction volume.
Ok.. somehow I missed this note regarding change. Still.. I wonder just how that works.
I suspect that that algorithm is not working properly.
Last time that many bitcoins were transferred in the blockchain, it was MagicalTux sending 424,242.42 BTC to prove control of MtGox deposits.
[...]
It was linked in the press thread: http://siliconangle.com/blog/2011/11/17/500000-bitcoins-transferred-in-one-exchange/
And I followed the change to this addresss where it is currently: http://blockexplorer.com/address/1CKmEA8NcSASCwbByFGQXbsnvWz7K5p7hs