Here's a good explanation: http://www.etf.com/etf-education-center/7540-what-is-the-etf-creationredemption-mechanism.html http://www.etf.com/etf-education-cente

Here's a good explanation: http://www.etf.com/etf-education-center/7540-what-is-the-etf-creationredemption-mechanism.html http://www.etf.com/etf-education-center/7540-what-is-the-etf...